APA-referens (7:e uppl.)

Hassitt, A. (1967). Computer programming and computer systems. Academic Press.

Chicago-referens (17:e uppl.)

Hassitt, Anthony. Computer Programming and Computer Systems. New York: Academic Press, 1967.

MLA-referens (9:e uppl.)

Hassitt, Anthony. Computer Programming and Computer Systems. Academic Press, 1967.