1. Bandy M. (2005) Trade and social power in the southern Titicaca Basin Formative. In: Vaughn K., Ogburn D., and Conlee K. (eds.), Foundations of Power in the Prehispanic Andes. American Anthropological Association, Washington, DC, pp. 91–111.
2. Bennett W. (1939) Archaeology of the north coast of Peru: An account of exploration and excavation in Viru and Lambayeque Valleys. Anthropological Papers of the American Museum of Natural History, Vol. 37, part 1. American Museum of Natural History, New York.
3. Burger R. (1984) Archaeological areas and prehistoric frontiers: the case of Formative Peru and Ecuador. In: Browman D., Burger R., and Rivera, M. (eds.), Social and Economic Organization in the Prehispanic Andes. BAR International Series 194. British Archaeological Reports, Oxford, pp. 33–71.
4. Burger R. (1988) Unity and heterogeneity within the Chavín Horizon. In: Keatinge R. (ed.), Peruvian Prehistory. Cambridge University Press, Cambridge, pp. 99–144.
5. Burger R. (1992) Chavín and the Origins of Andean Civilization. Thames & Hudson, New York.