Não informado. Photographic Science and Engineering. Society of Photographic Scientists and Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Photographic Science and Engineering. Washington: Society of Photographic Scientists and Engineers.
Citação MLA (8ª ed.)Não informado. Photographic Science and Engineering. Society of Photographic Scientists and Engineers.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.