Lua APA (7ú heag.)
ebrary, Inc, & Sheets, P. D. (2002). Before the volcano erupted: The ancient Cerèn village in Central America. University of Texas Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Payson D. Sheets. Before the Volcano Erupted: The Ancient Cerèn Village in Central America. Austin: University of Texas Press, 2002.
Lua MLA (9ú heag.)
ebrary, Inc, agus Payson D. Sheets. Before the Volcano Erupted: The Ancient Cerèn Village in Central America. University of Texas Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.