APA (7th ed.) Zitazioa
Nations, J. D. (2006). The Maya tropical forest: People, parks, & ancient cities. University of Texas Press.
Chicago Style (17th ed.) Zitazioa
Nations, James D. The Maya Tropical Forest: People, Parks, & Ancient Cities. Austin: University of Texas Press, 2006.
MLA (9th ed.) Zitazioa
Nations, James D. The Maya Tropical Forest: People, Parks, & Ancient Cities. University of Texas Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.