Gann, T. W. F., & Thompson, J. E. (1931). The history of the Maya from the earliest times to the present day. C. Scribner's son.
Lua i Stíl Chicago (17ú heag.)Gann, Thomas William Francis, agus John Eric Thompson. The History of the Maya from the Earliest Times to the Present Day. New York: C. Scribner's son, 1931.
Lua MLA (9ú heag.)Gann, Thomas William Francis, agus John Eric Thompson. The History of the Maya from the Earliest Times to the Present Day. C. Scribner's son, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.