Lua APA (7ú heag.)
Ventur, P. (1978). Maya ethnohistorian: The Ralph L. Roys papers. Vanderbilt University.
Lua i Stíl Chicago (17ú heag.)
Ventur, Pierre. Maya Ethnohistorian: The Ralph L. Roys Papers. Nashville, Tennessee: Vanderbilt University, 1978.
Lua MLA (9ú heag.)
Ventur, Pierre. Maya Ethnohistorian: The Ralph L. Roys Papers. Vanderbilt University, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.