Cita APA (7th ed.)

Shelly, G. B., & Cashman, T. J. (1972). Introduction to computer programming: RPG. Anheim Pub.

Cita Chicago (17th ed.)

Shelly, Gary B., i Thomas J. Cashman. Introduction to Computer Programming: RPG. Fullerton, Calif: Anheim Pub, 1972.

Cita MLA (9th ed.)

Shelly, Gary B., i Thomas J. Cashman. Introduction to Computer Programming: RPG. Anheim Pub, 1972.