APA-referens

Newcomer, L. R. (1984). Theory and problems of programming with structured cobol. Mc-Graw hill.

Chicago-stil citat

Newcomer, Lawrence R. Theory and Problems of Programming with Structured Cobol. Newyork: Mc-Graw hill, 1984.

MLA-referens

Newcomer, Lawrence R. Theory and Problems of Programming with Structured Cobol. Mc-Graw hill, 1984.