APA (7th ed.) Citation

Peiris, S. (1988). 1980 national population census, final figures: National summary (Papua New Guinea). National Statistical Office.

Chicago Style (17th ed.) Citation

Peiris, Sripal. 1980 National Population Census, Final Figures: National Summary (Papua New Guinea). Port Moresby: National Statistical Office, 1988.

MLA (9th ed.) Citation

Peiris, Sripal. 1980 National Population Census, Final Figures: National Summary (Papua New Guinea). National Statistical Office, 1988.