APA aipamena

Molluzzo, J. C. (1987). Structured COBOL programming. Wadsworth.

Chicago Style aipamena

Molluzzo, John C. Structured COBOL Programming. Belmont, Calif: Wadsworth, 1987.

MLA aipamena

Molluzzo, John C. Structured COBOL Programming. Wadsworth, 1987.