APA-referens (7:e uppl.)

Gehrlein, W. V. (2005). Operations management cases. McGraw-Hill/Irwin.

Chicago-referens (17:e uppl.)

Gehrlein, William V. Operations Management Cases. Boston: McGraw-Hill/Irwin, 2005.

MLA-referens (9:e uppl.)

Gehrlein, William V. Operations Management Cases. McGraw-Hill/Irwin, 2005.