Papua New Guinea, Geological Survey of Papua New Guinea, & George, J. E. (1978). Hydrogeological investigations 1977. Office of Minerals and Energy.
Chicago Style (17th ed.) CitationPapua New Guinea, Geological Survey of Papua New Guinea, and J. E. George. Hydrogeological Investigations 1977. [Port Moresby]: Office of Minerals and Energy, 1978.
MLA (9th ed.) CitationPapua New Guinea, et al. Hydrogeological Investigations 1977. Office of Minerals and Energy, 1978.
Warning: These citations may not always be 100% accurate.