New Guinea (Territory). Administration. (1939). Geological bulletin. by Authority: L. F. Johnston, Commonwealth Government Printer.
Citace podle Chicago (17th ed.)New Guinea (Territory). Administration. Geological Bulletin. Canberra: by Authority: L. F. Johnston, Commonwealth Government Printer, 1939.
Citace podle MLA (8th ed.)New Guinea (Territory). Administration. Geological Bulletin. by Authority: L. F. Johnston, Commonwealth Government Printer, 1939.
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