APA-referens (7:e uppl.)

Ecker, J. G. (1988). Introduction to operations research. John Wiley & Sons.

Chicago-referens (17:e uppl.)

Ecker, Joseph G. Introduction to Operations Research. New York: John Wiley & Sons, 1988.

MLA-referens (9:e uppl.)

Ecker, Joseph G. Introduction to Operations Research. John Wiley & Sons, 1988.