Salomons, W., Förstner, U., & Mader, P. (1995). Heavy metals -- problems and solutions. Springer-Verlag.
Cita Chicago (17th ed.)Salomons, Wim, Ulrich Förstner, i Pavel Mader. Heavy Metals -- Problems and Solutions. Berlin ; New York: Springer-Verlag, 1995.
Cita MLA (9th ed.)Salomons, Wim, et al. Heavy Metals -- Problems and Solutions. Springer-Verlag, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.