APA (7th ed.) Citation

National Population census Project (Papua New Guinea : 1980) & Papua New Guinea. National Statistical Office. (1982). 1980 census codelists. National Statistical Office.

Chicago Style (17th ed.) Citation

National Population census Project (Papua New Guinea : 1980) and Papua New Guinea. National Statistical Office. 1980 Census Codelists. Port Moresby: National Statistical Office, 1982.

MLA (9th ed.) Citation

National Population census Project (Papua New Guinea : 1980) and Papua New Guinea. National Statistical Office. 1980 Census Codelists. National Statistical Office, 1982.