Geological Survey of Papua New Guinea & Gibson, D. L. (1976). Definitions of new and revised stratigraphic names on the Madang, Karkar Island, and Port Moresby / Kalo-Aroa 1: 250,000 geological sheets. Office of Minerals and Energy.
Chicago Style (17th ed.) CitationGeological Survey of Papua New Guinea and D. L. Gibson. Definitions of New and Revised Stratigraphic Names on the Madang, Karkar Island, and Port Moresby / Kalo-Aroa 1: 250,000 Geological Sheets. Port Moresby: Office of Minerals and Energy, 1976.
MLA (9th ed.) CitationGeological Survey of Papua New Guinea and D. L. Gibson. Definitions of New and Revised Stratigraphic Names on the Madang, Karkar Island, and Port Moresby / Kalo-Aroa 1: 250,000 Geological Sheets. Office of Minerals and Energy, 1976.
Warning: These citations may not always be 100% accurate.