APA-referens (7:e uppl.)

Png, I. (2016). Managerial Economics (5th.). Routledge.

Chicago-referens (17:e uppl.)

Png, Ivan. Managerial Economics. 5th. New York: Routledge, 2016.

MLA-referens (9:e uppl.)

Png, Ivan. Managerial Economics. 5th. Routledge, 2016.