Cita APA (7a ed.)
Norman, V. G. (1973). Izapa sculpture. New World Archaeological Foundation.
Cita Chicago Style (17a ed.)
Norman, V. Garth. Izapa Sculpture. Provo, Utah: New World Archaeological Foundation, 1973.
Cita MLA (9a ed.)
Norman, V. Garth. Izapa Sculpture. New World Archaeological Foundation, 1973.
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