Attridge, G. G. (1980). The determination of photon sensitivities of photographic emulsion crystals. British Library Document Supply Centre.
Chicago-referens (17:e uppl.)Attridge, Geoffrey Giles. The Determination of Photon Sensitivities of Photographic Emulsion Crystals. Boston Spa, United Kindom: British Library Document Supply Centre, 1980.
MLA-referens (8:e uppl.)Attridge, Geoffrey Giles. The Determination of Photon Sensitivities of Photographic Emulsion Crystals. British Library Document Supply Centre, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.