Hancock, P. L., & Skinner, B. J. (2000). Oxford companion to the Earth. Oxford University Press.
Chicago Edition CitationHancock, Paul Land, and Brian J. Skinner. Oxford Companion to the Earth. Oxford: Oxford University Press, 2000.
MLA引文Hancock, Paul Land, and Brian J. Skinner. Oxford Companion to the Earth. Oxford University Press, 2000.
警告:這些引文格式不一定是100%准確.