Gaya APA

MPD, R, S., EMD, D, E. (1973). International Symposium on Hydrometallurgy . New York: The American Institute of Mining, Metallurgy, & Petroleum Engineers, Inc..

Gaya MLA

MPD, R.S., Shoemaker., EMD, D.J.I., Evana. "International Symposium on Hydrometallurgy". New York: The American Institute of Mining, Metallurgy, & Petroleum Engineers, Inc., 1973. Text.