Cita APA (7th ed.)

Robertson, L. A. (1993). Simple program design (2nd ed.). Nelson.

Cita Chicago (17th ed.)

Robertson, Lesley Anne. Simple Program Design. 2nd ed. Victoria, Australia: Nelson, 1993.

Cita MLA (9th ed.)

Robertson, Lesley Anne. Simple Program Design. 2nd ed. Nelson, 1993.