Gass, S. I., & Assad, A. A. (2005). Annotated timeline of operations research: An informal history. Kluwer Academic Publishers.
استشهاد بنمط شيكاغوGass, Saul I., و Arjang A. Assad. Annotated Timeline of Operations Research: An Informal History. [New York]: Kluwer Academic Publishers, 2005.
MLA استشهادGass, Saul I., و Arjang A. Assad. Annotated Timeline of Operations Research: An Informal History. Kluwer Academic Publishers, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.