Webb, L. J. (1977). Ecological considerations and safeguards in the modern use of tropical lowland rain forests as a source of pulpwood: Example, the Madang Area P.N.G. Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea.
芝加哥风格引文Webb, Leonard J. Ecological Considerations and Safeguards in the Modern Use of Tropical Lowland Rain Forests as a Source of Pulpwood: Example, the Madang Area P.N.G. [s.l.]: Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea, 1977.
MLA引文Webb, Leonard J. Ecological Considerations and Safeguards in the Modern Use of Tropical Lowland Rain Forests as a Source of Pulpwood: Example, the Madang Area P.N.G. Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea, 1977.