Cita APA (7th ed.)

PNG Petroleum Convention Port Moresby, Papua New Guinea, Papua New Guinea Chamber of Mines and Petroleum, Carman, G. J., & Carman, Z. (1993). Petroleum exploration & development in Papua New Guinea. PNG Chamber of Mines and Petroleum.

Cita Chicago (17th ed.)

PNG Petroleum Convention Port Moresby, Papua New Guinea, Papua New Guinea Chamber of Mines and Petroleum, George J. Carman, i Zina Carman. Petroleum Exploration & Development in Papua New Guinea. Port Moresby, Papua New Guinea: PNG Chamber of Mines and Petroleum, 1993.

Cita MLA (9th ed.)

PNG Petroleum Convention Port Moresby, Papua New Guinea, et al. Petroleum Exploration & Development in Papua New Guinea. PNG Chamber of Mines and Petroleum, 1993.