Newcomer, L. R. (1984). Schaum's outline of theory and problems of programming with structured cobol. McGraw - Hill Book Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Structured Cobol. New York: McGraw - Hill Book Company, 1984.
Παραπομπή σε μορφή MLA (8th εκδ.)Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Structured Cobol. McGraw - Hill Book Company, 1984.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.