تمدنی از هیچ‌جا و از همه جا

منابع:

Diehl, p. 9.

Coe (2002), p. 62.

Miller, Mary Ellen. "The Art of Mesoamerica From Olmec to Aztec." Thames & Hudson; 4th edition

See, for example, Cyphers (1996), p. 156.