J Stevenson, W. (2007). Operations Management (9th ed.). McGraw-Hill Medical Education.
Chicago Style (17th ed.) ZitazioaJ Stevenson, William. Operations Management. 9th ed. New York, USA: McGraw-Hill Medical Education, 2007.
MLA (9th ed.) ZitazioaJ Stevenson, William. Operations Management. 9th ed. McGraw-Hill Medical Education, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.