Wirfs-Brock, R., & McKean, A. (2002). Object Design: Roles, Responsibilities, and Collaborations (1st edition.). Addison-Wesley Professional.
Chicago Style (17th ed.) CitationWirfs-Brock, Rebecca, and Alan McKean. Object Design: Roles, Responsibilities, and Collaborations. 1st edition. Addison-Wesley Professional, 2002.
MLA (9th ed.) CitationWirfs-Brock, Rebecca, and Alan McKean. Object Design: Roles, Responsibilities, and Collaborations. 1st edition. Addison-Wesley Professional, 2002.
Warning: These citations may not always be 100% accurate.