Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago

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

Tohutoro MLA

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