Open University. Geochemistry Course Team. (1972). Geochemical data: Composition and structure of the earth and its minerals [and] Geocchemical history of the earth. Open U.P..
芝加哥风格引文Open University. Geochemistry Course Team. Geochemical Data: Composition and Structure of the Earth and Its Minerals [and] Geocchemical History of the Earth. Bletchley, Bucks.: Open U.P., 1972.
MLA引文Open University. Geochemistry Course Team. Geochemical Data: Composition and Structure of the Earth and Its Minerals [and] Geocchemical History of the Earth. Open U.P., 1972.
警告：这些引文格式不一定是100％准确.