APA Style

Mangunwidjaya, Ambyo. (1991). Multiple energy markets toward the 21st century : competition or cooperation : investment opportunities in Indonesia coal sector Jakarta, 8-10 October 1991 . Surabaya: Pertamina.

Chicago Style

Mangunwidjaya, Ambyo. Multiple energy markets toward the 21st century : competition or cooperation : investment opportunities in Indonesia coal sector Jakarta, 8-10 October 1991. Surabaya: Pertamina, 1991. Text.

MLA Style

Mangunwidjaya, Ambyo. Multiple energy markets toward the 21st century : competition or cooperation : investment opportunities in Indonesia coal sector Jakarta, 8-10 October 1991. Surabaya: Pertamina, 1991. Text.

Turabian Style

Mangunwidjaya, Ambyo. Multiple energy markets toward the 21st century : competition or cooperation : investment opportunities in Indonesia coal sector Jakarta, 8-10 October 1991. Surabaya: Pertamina, 1991. Print.