International Congress of Photogrammetry, 12th, Ottawa, 1972, International Society for Photogrammetry, & Whitcher, G. H. (1972). Proceedings of the Twelfth International Congress of Photogrammetry: Actes du Douzieme Congress International de Photogrammetrie. Committee of the Xllth international. Congress of Photogrammetry.
Citace podle Chicago (17th ed.)International Congress of Photogrammetry, 12th, Ottawa, 1972, International Society for Photogrammetry, a Geoffrey H. Whitcher. Proceedings of the Twelfth International Congress of Photogrammetry: Actes Du Douzieme Congress International De Photogrammetrie. Ottawa: Committee of the Xllth international. Congress of Photogrammetry, 1972.
Citace podle MLA (9th ed.)International Congress of Photogrammetry, 12th, Ottawa, 1972, et al. Proceedings of the Twelfth International Congress of Photogrammetry: Actes Du Douzieme Congress International De Photogrammetrie. Committee of the Xllth international. Congress of Photogrammetry, 1972.