Coe, W. R., & Haviland, W. A. (1982). Introduction to the archaeology of Tikal, Guatemala. University Museum : : University of Pennsylvania.

Coe, William Robertson, and William A. Haviland. Introduction to the Archaeology of Tikal, Guatemala. Philadelphia, Pennsylvania: University Museum : : University of Pennsylvania, 1982.

Coe, William Robertson, and William A. Haviland. Introduction to the Archaeology of Tikal, Guatemala. University Museum : : University of Pennsylvania, 1982.