Navarrete, C. (1974). The Olmec rock carvings at Pijijiapan, Chiapas, Mexico and other olmec pieces from Chiapas and Guatemala. New World Archaeological Foundation.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
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.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Navarrete, Carlos. The Olmec Rock Carvings at Pijijiapan, Chiapas, Mexico and Other Olmec Pieces from Chiapas and Guatemala. New World Archaeological Foundation, 1974.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.