APA-referens (7:e uppl.)

Feingold, C. (1969). Fundamentals of punched card data processing. Wm. C. Brown.

Chicago-referens (17:e uppl.)

Feingold, Carl. Fundamentals of Punched Card Data Processing. Dubuque, Iowa: Wm. C. Brown, 1969.

MLA-referens (8:e uppl.)

Feingold, Carl. Fundamentals of Punched Card Data Processing. Wm. C. Brown, 1969.