APA (7th ed.) Zitazioa
Paddock, J. Aboriginal drained-field cultivation in the Americans.
Chicago Style (17th ed.) Zitazioa
Paddock, John. Aboriginal Drained-field Cultivation in the Americans.
MLA (9th ed.) Zitazioa
Paddock, John. Aboriginal Drained-field Cultivation in the Americans.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.