Haviland. Excavations in Residential Areas of Tikal--Group 7F-1. University of Pennsylvania Press.
芝加哥风格引文Haviland. Excavations in Residential Areas of Tikal--Group 7F-1. University of Pennsylvania Press.
MLA引文Haviland. Excavations in Residential Areas of Tikal--Group 7F-1. University of Pennsylvania Press.
警告：这些引文格式不一定是100％准确.