Não informado. (1938). New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. New Zealand Journal of Science and Technology. Wellington: Department of Scientific and Industrial Research, 1938.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research, 1938.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.