APA aipamena

Philippakis, A. S., & Kazmier, L. J. (1991). Comprehensive COBOL. Mitchell McGraw-Hill.

Chicago Style aipamena

Philippakis, Andrew S., and Leonard J. Kazmier. Comprehensive COBOL. New York: Mitchell McGraw-Hill, 1991.

MLA aipamena

Philippakis, Andrew S., and Leonard J. Kazmier. Comprehensive COBOL. Mitchell McGraw-Hill, 1991.