Style de citation APA (7e éd.)
Klepper, G., & Michaelis, P. (1991). Cadmium in West Germany: How much do we know about stocks and flows? Institut für Weltwirtschaft.
Style de citation Chicago (17e éd.)
Klepper, Gernot, et Peter Michaelis. Cadmium in West Germany: How Much Do We Know About Stocks and Flows? Kiel: Institut für Weltwirtschaft, 1991.
Style de citation MLA (9e éd.)
Klepper, Gernot, et Peter Michaelis. Cadmium in West Germany: How Much Do We Know About Stocks and Flows? Institut für Weltwirtschaft, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.