Europe's Sea Mammals Including the Azores, Madeira, the Canary Islands and Cape Verde. Princeton University Press.
芝加哥风格引文Europe's Sea Mammals Including the Azores, Madeira, the Canary Islands and Cape Verde. Princeton University Press.
MLA引文Europe's Sea Mammals Including the Azores, Madeira, the Canary Islands and Cape Verde. Princeton University Press.
警告：这些引文格式不一定是100％准确.