APA (7e ed.) Bronvermelding
Sharer, R. J., & Anderson, B. A. The Prehistory of Chalchuapa, El Salvador: Volume One : Introduction, Surface Surveys, Excavations, Monuments and Special Deposits. University of Pennsylvania, University Museum.
Chicago (17e ed.) Bronvermelding
Sharer, Robert J., en Bruce A. Anderson. The Prehistory of Chalchuapa, El Salvador: Volume One : Introduction, Surface Surveys, Excavations, Monuments and Special Deposits. Filadelfia, EUA: University of Pennsylvania, University Museum.
MLA (9e ed.) Bronvermelding
Sharer, Robert J., en Bruce A. Anderson. The Prehistory of Chalchuapa, El Salvador: Volume One : Introduction, Surface Surveys, Excavations, Monuments and Special Deposits. University of Pennsylvania, University Museum.
Let op: Deze citaties zijn niet altijd 100% accuraat.