Cita APA (7th ed.)
Gass, S. I., & Harris, C. M. Encyclopedia of Operations Research and Management Science (2a edición.). Kluwer.
Cita Chicago (17th ed.)
Gass, Saul I., i Carl M. Harris. Encyclopedia of Operations Research and Management Science. 2a edición. Boston, EUA: Kluwer.
Cita MLA (9th ed.)
Gass, Saul I., i Carl M. Harris. Encyclopedia of Operations Research and Management Science. 2a edición. Kluwer.
Atenció: Aquestes cites poden no estar 100% correctes.