Gaya APA

Agency, J, I, C. (1990). Report on the Cooperative Mineral Exploration in the Pegunungan Tigapuluh Area, The Republic of Indonesia: Phase I . Japan: Japan Inernational Cooperation Agency.

Gaya MLA

Agency, Japan, International, Cooperation. "Report on the Cooperative Mineral Exploration in the Pegunungan Tigapuluh Area, The Republic of Indonesia: Phase I". Japan: Japan Inernational Cooperation Agency, 1990. Text.