APA (7th ed.) Zitazioa
Waugh, D. (2014). Geography: An integrated approach (4th ed.). Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Waugh, David. Geography: An Integrated Approach. 4th ed. Oxford: Oxford University Press, 2014.
MLA (9th ed.) Zitazioa
Waugh, David. Geography: An Integrated Approach. 4th ed. Oxford University Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.