1. Ahumada, A.T., and Velazquez de Leon Collins, J.A. (1999). Cuenco de alabastro con decoracion incisa procedente de bonampak. Mexicon, 21, 75-80.
2. Ashmore, W. (1991). Site-planning principles and concepts of directionality among the ancient Maya. Latin American Antiquity, 2, 99-226
3. Ashmore, W. (2002). Decisions and dispositions: socializing spatial archaeology. American Anthropologist, 104(4), 1172-1183.
4. Ashmore, W. and Knapp, A.B. (Eds.) (1999). Archaeologies of landscape: contemporary approaches. Oxford: Blackwell.
5. Aveni, A.F. (1980). Skywatchers of ancient Mexico. Austin: University of Texas Press.