(1999). Panbiogeography tracking the history of life / Robin C. Craw, John R. Grehan, and Michael J. Heads. [electronic resource].
芝加哥风格引文Panbiogeography Tracking the History of Life / Robin C. Craw, John R. Grehan, and Michael J. Heads. [electronic Resource]. 1999.
MLA引文Panbiogeography Tracking the History of Life / Robin C. Craw, John R. Grehan, and Michael J. Heads. [electronic Resource]. 1999.
警告：这些引文格式不一定是100％准确.