Gaya APA

LIMITED, I, T, R, R, T. (1999). Ninteen Uinety Eight Annual Review Mineral and Metals for the World . Melbourne: Rio Tinto Limited.

Gaya MLA

LIMITED, I., TIM, REDAKSI, RIO, TINTO. "Ninteen Uinety Eight Annual Review Mineral and Metals for the World". Melbourne: Rio Tinto Limited, 1999. Text.