National Population Census Project 1980, Papua New Guinea. Bureau of Statistics, & Papua New Guinea. Office of Information. (1979). 1980 National Population Census in Papua New Guinea's 5th anniversary year. Office of Information.
Chicago Style (17th ed.) CitationNational Population Census Project 1980, Papua New Guinea. Bureau of Statistics, and Papua New Guinea. Office of Information. 1980 National Population Census in Papua New Guinea's 5th Anniversary Year. [Port Moresby: Office of Information, 1979.
ציטוט MLANational Population Census Project 1980, et al. 1980 National Population Census in Papua New Guinea's 5th Anniversary Year. Office of Information, 1979.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.