Não informado. (1975). Journal of applied photographic engineering. Society of Photographic Scientists and Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Applied Photographic Engineering. Springfield, Va: Society of Photographic Scientists and Engineers, 1975.
Citação MLA (8ª ed.)Não informado. Journal of Applied Photographic Engineering. Society of Photographic Scientists and Engineers, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.