Dodd. Frogs of the United States and Canada, 2-vol. set. Johns Hopkins University Press.
芝加哥风格引文Dodd. Frogs of the United States and Canada, 2-vol. Set. Johns Hopkins University Press.
MLA引文Dodd. Frogs of the United States and Canada, 2-vol. Set. Johns Hopkins University Press.
警告：这些引文格式不一定是100％准确.