Kent Beck. Test-Driven Development: By Example. Addison-Wesley, Boston, MA, 2002.
[Bro95]
Frederick P. Brooks Jr. The Mythical Man-Month: Essays on Software Engineering. Addison-Wesley, Boston, MA, Anniversary, 1995.
[CG08]
Lisa Crispin and Janet Gregory. Agile Testing: A Practical Guide for Testers and Agile Teams. Addison-Wesley, Boston, MA, 2008.
[Coc04]
Alistair Cockburn. Crystal Clear: A Human-Powered Methodology for Small Teams. Addison-Wesley Professional, Boston, MA, 2004.
[Coh05]
Mike Cohn. Agile Estimating and Planning. Prentice Hall, Englewood Cliffs, NJ, 2005.
[Eva03]
Eric Evans. Domain-Driven Design: Tackling Complexity in the Heart of Software. Addison-Wesley Longman, Boston, MA, First, 2003.
[FBBO99]
Martin Fowler, Kent Beck, John Brant, William Opdyke, and Don Roberts. Refactoring: Improving the Design of Existing Code. Addison-Wesley, Boston, MA, 1999.
[Fea04]
Michael Feathers. Working Effectively with Legacy Code. Prentice Hall, Englewood Cliffs, NJ, 2004.
[FH13]
Dave Thomas, with Chad Fowler and Andy Hunt. Programming Ruby 1.9 & 2.0 (4th edition). The Pragmatic Bookshelf, Raleigh, NC, 4th, 2013.
[FP09]
Steve Freeman and Nat Pryce. Growing Object-Oriented Software, Guided by Tests. Addison-Wesley Longman, Boston, MA, 2009.
[HT00]
Andrew Hunt and David Thomas. The Pragmatic Programmer: From Journeyman to Master. Addison-Wesley, Boston, MA, 2000.
[Joh10]
Christian Johansen. Test-Driven JavaScript Development. Addison-Wesley Professional, Boston, MA, 2010.
[Mes07]
Gerard Meszaros. xUnit Test Patterns. Addison-Wesley, Boston, MA, 2007.
[Ohn88]
Taiichi Ohno. Toyota Production System: Beyond Large Scale Production. Productivity Press, New York, NY, First edition, 1988.