Cita APA (7th ed.)

Murach, M. (1975). Standard COBOL. Instructor's manual (2d ed.). Science Research Associates.

Cita Chicago (17th ed.)

Murach, Mike. Standard COBOL. Instructor's Manual. 2d ed. Chicago: Science Research Associates, 1975.

Cita MLA (9th ed.)

Murach, Mike. Standard COBOL. Instructor's Manual. 2d ed. Science Research Associates, 1975.