Papua New Guinea. National Statistical Unit. (1986). Final figures: Provincial summary, New Ireland Province. National Statistical Office.
Chicagoスタイル(17版)引用形式Papua New Guinea. National Statistical Unit. Final Figures: Provincial Summary, New Ireland Province. Port Moresby: National Statistical Office, 1986.
MLA(9版)引用形式Papua New Guinea. National Statistical Unit. Final Figures: Provincial Summary, New Ireland Province. National Statistical Office, 1986.
警告: この引用は必ずしも正確ではありません.