APA aipamena

Coburn, E. J. (1988). Beginning structured COBOL. Harcourt Brace Jovanovich.

Chicago Style aipamena

Coburn, Edward J. Beginning Structured COBOL. San Diego: Harcourt Brace Jovanovich, 1988.

MLA aipamena

Coburn, Edward J. Beginning Structured COBOL. Harcourt Brace Jovanovich, 1988.