APA (7th ed.) Zitazioa
(2015). Human geography: A concise introduction. John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Human Geography: A Concise Introduction. Chichester, West Sussex, [England]: John Wiley & Sons, 2015.
MLA (9th ed.) Zitazioa
Human Geography: A Concise Introduction. John Wiley & Sons, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.