Johnston, W. B. (1949). The development of communication lines across the Taranaki uplands.
Chicago-viite (17. p.)Johnston, W. B. The Development of Communication Lines Across the Taranaki Uplands. 1949.
MLA-viite (9. p.)Johnston, W. B. The Development of Communication Lines Across the Taranaki Uplands. 1949.
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