Cita APA (7th ed.)

Papua New Guinea. National Statistical Office. (1981). Building statistics. National Statistical Office.

Cita Chicago (17th ed.)

Papua New Guinea. National Statistical Office. Building Statistics. Port Moresby, Papua New Guinea: National Statistical Office, 1981.

Cita MLA (8th ed.)

Papua New Guinea. National Statistical Office. Building Statistics. National Statistical Office, 1981.