Παραπομπή APA

Gass, S. I., & Assad, A. A. (2005). An annotated timeline of operations research: An informal history. Kluwer Academic Publishers.

Παραπομπή Chicago Style

Gass, Saul I., και Arjang A. Assad. An Annotated Timeline of Operations Research: An Informal History. New York: Kluwer Academic Publishers, 2005.

Παραπομπή MLA

Gass, Saul I., και Arjang A. Assad. An Annotated Timeline of Operations Research: An Informal History. Kluwer Academic Publishers, 2005.