Judd, F. W., & Papua New Guinea. Institute of National Affairs. (1980). The role of the volunteer in economic development. Institute of National Affairs.
Chicagoスタイル(17版)引用形式Judd, Frank W., , Papua New Guinea. Institute of National Affairs. The Role of the Volunteer in Economic Development. Port Moresby: Institute of National Affairs, 1980.
MLA(9版)引用形式Judd, Frank W., , Papua New Guinea. Institute of National Affairs. The Role of the Volunteer in Economic Development. Institute of National Affairs, 1980.
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