APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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