Παραπομπή APA

Sarda, N. L. (1981). Cobol programming with business applications.

Παραπομπή Chicago Style

Sarda, N L. Cobol Programming with Business Applications. New Delhi, Pitambar Publishing Company, 1981.

Παραπομπή MLA

Sarda, N L. Cobol Programming with Business Applications. 1981.