Cita APA (7a ed.)

NAPS THOMAS L. (1982). COBOL: A COMPREHENSIVE TREATMENT. RESTON PUBLISHERS.

Cita Chicago Style (17a ed.)

NAPS THOMAS L. COBOL: A COMPREHENSIVE TREATMENT. VIRGINIA: RESTON PUBLISHERS, 1982.

Cita MLA (9a ed.)

NAPS THOMAS L. COBOL: A COMPREHENSIVE TREATMENT. RESTON PUBLISHERS, 1982.