Cita APA (7th ed.)

Perlis, A. J., & Biggerstaff, T. J. (1989). Software reusability. ACM Press ; Addison-Wesley.

Cita Chicago (17th ed.)

Perlis, Alan J., i Ted James Biggerstaff. Software Reusability. New York, N.Y. : Reading, Mass.: ACM Press ; Addison-Wesley, 1989.

Cita MLA (8th ed.)

Perlis, Alan J., i Ted James Biggerstaff. Software Reusability. ACM Press ; Addison-Wesley, 1989.