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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNewton, Ngare Elaine Becket. History of the Otira Tunnel in the Southern Alps: Being the Thesis Presented as Part of the M.A. Examination. 1927.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNewton, Ngare Elaine Becket. History of the Otira Tunnel in the Southern Alps: Being the Thesis Presented as Part of the M.A. Examination. 1927.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.
