Cita APA (7th ed.)

Dolan, K. (1981). The beginner's COBOL, a manual to accompany Business computer systems: An introduction. Mitchell.

Cita Chicago (17th ed.)

Dolan, Kathleen. The Beginner's COBOL, a Manual to Accompany Business Computer Systems: An Introduction. Santa Cruz: Mitchell, 1981.

Cita MLA (9th ed.)

Dolan, Kathleen. The Beginner's COBOL, a Manual to Accompany Business Computer Systems: An Introduction. Mitchell, 1981.