Forster, B. C. (1971). Surveying research within the Papua and New Guinea Institute of Technology. Papua and New Guinea Institute of Technology, Dept. of Surveying.
Chicago-viite (17. p.)Forster, B. C. Surveying Research Within the Papua and New Guinea Institute of Technology. Lae: Papua and New Guinea Institute of Technology, Dept. of Surveying, 1971.
MLA-viite (9. p.)Forster, B. C. Surveying Research Within the Papua and New Guinea Institute of Technology. Papua and New Guinea Institute of Technology, Dept. of Surveying, 1971.
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