APA (7th ed.) Zitazioa
Navarrete, C. (1974). The Olmec rock carvings at Pijijiapan, Chiapas, Mexico and other olmec pieces from Chiapas and Guatemala. New World Archaeological Foundation.
Chicago Style (17th ed.) Zitazioa
Navarrete, Carlos. The Olmec Rock Carvings at Pijijiapan, Chiapas, Mexico and Other Olmec Pieces from Chiapas and Guatemala. Provo, Utah: New World Archaeological Foundation, 1974.
MLA (9th ed.) Zitazioa
Navarrete, Carlos. The Olmec Rock Carvings at Pijijiapan, Chiapas, Mexico and Other Olmec Pieces from Chiapas and Guatemala. New World Archaeological Foundation, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.