Cita APA (7th ed.)
Wirfs-Brock, R., Wilkerson, B., & Wiener, L. (1990). Designing object-oriented software. Prentice Hall.
Cita Chicago (17th ed.)
Wirfs-Brock, Rebecca, Brian Wilkerson, i Lauren Wiener. Designing Object-oriented Software. Englewood Cliffs, N.J.: Prentice Hall, 1990.
Cita MLA (9th ed.)
Wirfs-Brock, Rebecca, et al. Designing Object-oriented Software. Prentice Hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.