Newton, N. E. B. (1927). History of the Otira Tunnel in the Southern Alps: Being the thesis presented as part of the M.A. examination.
Παραπομπή σε μορφή Chicago (17η εκδ.)Newton, Ngare Elaine Becket. History of the Otira Tunnel in the Southern Alps: Being the Thesis Presented as Part of the M.A. Examination. 1927.
Παραπομπή σε μορφή MLA (9th εκδ.)Newton, Ngare Elaine Becket. History of the Otira Tunnel in the Southern Alps: Being the Thesis Presented as Part of the M.A. Examination. 1927.
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