APA-referens (7:e uppl.)

SILVER GERALD A. (1981). DATA PROCESSING FOR BUSINESS (3RD.). HARCOURT.

Chicago-referens (17:e uppl.)

SILVER GERALD A. DATA PROCESSING FOR BUSINESS. 3RD. U.S.A: HARCOURT, 1981.

MLA-referens (9:e uppl.)

SILVER GERALD A. DATA PROCESSING FOR BUSINESS. 3RD. HARCOURT, 1981.