APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.