Papua New Guinea, Papua New Guinea, & Papua New Guinea. (1978). The effects of population on development: A handbook for extension workers. s. n.].
Chicago Style (17th ed.) CitationPapua New Guinea, Papua New Guinea, and Papua New Guinea. The Effects of Population on Development: A Handbook for Extension Workers. [Port Moresby: s. n.], 1978.
MLA (9th ed.) CitationPapua New Guinea, et al. The Effects of Population on Development: A Handbook for Extension Workers. s. n.], 1978.
Warning: These citations may not always be 100% accurate.