Dyfyniad APA

Lawrence, R., & Newcomer, M. S. (1986). Theory and problems of programming with structured COBOL. McGraw-Hill.

Dyfyniad Arddull Chicago

Lawrence, R., and M. S. Newcomer. Theory and Problems of Programming with Structured COBOL. New York: McGraw-Hill, 1986.

Dyfyniad MLA

Lawrence, R., and M. S. Newcomer. Theory and Problems of Programming with Structured COBOL. McGraw-Hill, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.