Gw mau tau . dari Negara Tiwanaku

Protzen, Jean-Pierre and Stella E. Nair, "On Reconstructing Tiwanaku Architecture", The Journal of the Society of Architectural Historians, Vol. 59, No. 3 (September 2000), pp. 358–71, Society of Architectural Historians.

Reinhard, Johan, "Chavin and Tiahuanaco: A New Look at Two Andean Ceremonial Centers." National Geographic Research 1(3): 395–422, 1985.