APA-referens (7:e uppl.)

Donaldson, P. (1978). Economics of the real world (2nd ed.). Peguin Books.

Chicago-referens (17:e uppl.)

Donaldson, Peter. Economics of the Real World. 2nd ed. Middlesex, England: Peguin Books, 1978.

MLA-referens (9:e uppl.)

Donaldson, Peter. Economics of the Real World. 2nd ed. Peguin Books, 1978.