Cita APA

Shelly, G. B., & Cashman, T. J. (1977). Introduction to computer programming: Structured COBOL. Anaheim Pub. Co..

Citación estilo Chicago

Shelly, Gary B., and Thomas J. Cashman. Introduction to Computer Programming: Structured COBOL. Fullerton, CA: Anaheim Pub. Co., 1977.

Cita MLA

Shelly, Gary B., and Thomas J. Cashman. Introduction to Computer Programming: Structured COBOL. Fullerton, CA: Anaheim Pub. Co., 1977.