Wigston, D. L. (1986). Environmental planning legislation in Papua New Guinea: The example of timber rights purchases. Papua New Guinea University of Technology.
Chicago Style (17th ed.) CitationWigston, David L. Environmental Planning Legislation in Papua New Guinea: The Example of Timber Rights Purchases. [Lae]: Papua New Guinea University of Technology, 1986.
MLA (9th ed.) CitationWigston, David L. Environmental Planning Legislation in Papua New Guinea: The Example of Timber Rights Purchases. Papua New Guinea University of Technology, 1986.
Warning: These citations may not always be 100% accurate.