Gaya APA

Shelly, G, B., Cashman, T, J. (1981). Dos job control for cobol programmers . ST. Brea: Anahem Pub Company.

Gaya MLA

Shelly, Garry, B.., Cashman, Thomas, J.. "Dos job control for cobol programmers". ST. Brea: Anahem Pub Company, 1981. Text.