APA (7th ed.) Zitazioa
Paddock, J. Economic aspects of intensive summer program in Mesoamerican archeology.
Chicago Style (17th ed.) Zitazioa
Paddock, John. Economic Aspects of Intensive Summer Program in Mesoamerican Archeology.
MLA (9th ed.) Zitazioa
Paddock, John. Economic Aspects of Intensive Summer Program in Mesoamerican Archeology.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.