Cox, P. (1997). The elements on earth: Inorganic chemistry in the environment. Univ. Pr..
Cita Chicago (17th ed.)Cox, P.A. The Elements on Earth: Inorganic Chemistry in the Environment. Oxford: Univ. Pr., 1997.
Cita MLA (9th ed.)Cox, P.A. The Elements on Earth: Inorganic Chemistry in the Environment. Univ. Pr., 1997.
Atenció: Aquestes cites poden no estar 100% correctes.