Não informado. (1975). Journal of applied photographic engineering. Society of Photographic Scientists and Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of Applied Photographic Engineering. Springfield, Va: Society of Photographic Scientists and Engineers, 1975.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of Applied Photographic Engineering. Society of Photographic Scientists and Engineers, 1975.
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