APA (7th ed.) Zitazioa
Pollock, H. E. D. A preliminary Study of the ruins of Cobá, Quintana Roo, Mexico.
Chicago Style (17th ed.) Zitazioa
Pollock, Harry E. D. A Preliminary Study of the Ruins of Cobá, Quintana Roo, Mexico.
MLA (9th ed.) Zitazioa
Pollock, Harry E. D. A Preliminary Study of the Ruins of Cobá, Quintana Roo, Mexico.
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