APA način citiranja (7. izdanje)

EDWARDS, P. (1986). Cobol: A systems and structured approach. Burgess Communications.

Čikaški stil citiranja (17. izdanje)

EDWARDS, Perry. Cobol: A Systems and Structured Approach. Minnesota: Burgess Communications, 1986.

MLA način citiranja (9. izdanje)

EDWARDS, Perry. Cobol: A Systems and Structured Approach. Burgess Communications, 1986.