Dyfyniad APA

Newcomer, L. R. (1987). Programming with advanced structured cobol. Mc Grahill.

Dyfyniad Arddull Chicago

Newcomer, Lawrence R. Programming with Advanced Structured Cobol. Singapore: Mc Grahill, 1987.

Dyfyniad MLA

Newcomer, Lawrence R. Programming with Advanced Structured Cobol. Mc Grahill, 1987.

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