Lawrence, R., & Newcomer, M. S. (1986). Theory and problems of programming with structured COBOL. McGraw-Hill.
Čikaški stil citiranjaLawrence, R., i M. S. Newcomer. Theory and Problems of Programming with Structured COBOL. New York: McGraw-Hill, 1986.
MLA način citiranjaLawrence, R., i M. S. Newcomer. Theory and Problems of Programming with Structured COBOL. McGraw-Hill, 1986.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.