APA-viite (7. p.)

Newcomer, L. R. (1986). Schaum's outline of theory and problems of programming with structured COBOL (Asian Ed.). National Bookstore.

Chicago-viite (17. p.)

Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Structured COBOL. Asian Ed. Manila: National Bookstore, 1986.

MLA-viite (9. p.)

Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Structured COBOL. Asian Ed. National Bookstore, 1986.