Citazione Stile APA (7a Edizione)

Discovery Channel (Firm) & Lawrence, R. (2008). Peru (5th ed.). Apa Productions.

Citazione stile Chigago Style (17a edizione)

Discovery Channel (Firm) e Rachel Lawrence. Peru. 5th ed. Singapore: Apa Productions, 2008.

Citatione MLA (9a ed.)

Discovery Channel (Firm) e Rachel Lawrence. Peru. 5th ed. Apa Productions, 2008.