APA (7. basım) Alıntı

Spence, J. W. (1985). COBOL for the 80's (2nd ed.). West Pub. Co..

Chicago Style (17. basım) Atıf

Spence, J. Wayne. COBOL for the 80's. 2nd ed. St. Paul: West Pub. Co., 1985.

MLA (8th ed.) Atıf

Spence, J. Wayne. COBOL for the 80's. 2nd ed. West Pub. Co., 1985.