APA-referens (7:e uppl.)

Lewis, C. D. (1981). Operations management in practice. Philip Allan.

Chicago-referens (17:e uppl.)

Lewis, C. D. Operations Management in Practice. Deddington, Oxford: Philip Allan, 1981.

MLA-referens (9:e uppl.)

Lewis, C. D. Operations Management in Practice. Philip Allan, 1981.