APA Style

Heriyanto, N. et al (1992). An Overview of Hydrocarbon Maturity and its Migration Aspects in Bunyu Island, Tarakan Basin (Proceedings Indonesian Petroleum Association , Twenty First Annual Convention, October 1992) (Volume 1). Jakarta: Indonesian Petroleum Association.

MLA Style

Heriyanto, N.. et al. "An Overview of Hydrocarbon Maturity and its Migration Aspects in Bunyu Island, Tarakan Basin (Proceedings Indonesian Petroleum Association , Twenty First Annual Convention, October 1992)". Volume 1 Jakarta: Indonesian Petroleum Association, 1992. Teknik.