APA Style

Hutagalung, Jordan S.O.. (1979). Report on the Field Observation of the Abandoned Dolok Pinapan Gold Mine and its Vicinity Provinsi Sumatera Utara . Jakarta: PT. Rio Tinto Indonesia.

Chicago Style

Hutagalung, Jordan S.O.. Report on the Field Observation of the Abandoned Dolok Pinapan Gold Mine and its Vicinity Provinsi Sumatera Utara. Jakarta: PT. Rio Tinto Indonesia, 1979. Text.

MLA Style

Hutagalung, Jordan S.O.. Report on the Field Observation of the Abandoned Dolok Pinapan Gold Mine and its Vicinity Provinsi Sumatera Utara. Jakarta: PT. Rio Tinto Indonesia, 1979. Text.

Turabian Style

Hutagalung, Jordan S.O.. Report on the Field Observation of the Abandoned Dolok Pinapan Gold Mine and its Vicinity Provinsi Sumatera Utara. Jakarta: PT. Rio Tinto Indonesia, 1979. Print.