Gaya APA

George.O, A. (1979). Tailing Disposal Today, Volume 2 : Proceeding of The Second International Tailing Symposium . San Francisco: Miller Freeman Publ Inc..

Gaya MLA

George.O, Argall,Jr.. "Tailing Disposal Today, Volume 2 : Proceeding of The Second International Tailing Symposium". San Francisco: Miller Freeman Publ Inc., 1979. Text.