Fitzsimmons. Classic Maya Polities of the Southern Lowlands. University Press of Colorado.
芝加哥风格引文Fitzsimmons. Classic Maya Polities of the Southern Lowlands. University Press of Colorado.
MLA引文Fitzsimmons. Classic Maya Polities of the Southern Lowlands. University Press of Colorado.
警告：这些引文格式不一定是100％准确.