APA (7th ed.) Zitazioa
Paddock, J. Social and economic systems in formative Mesoamerica.
Chicago Style (17th ed.) Zitazioa
Paddock, John. Social and Economic Systems in Formative Mesoamerica.
MLA (9th ed.) Zitazioa
Paddock, John. Social and Economic Systems in Formative Mesoamerica.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.