Wanless, H. R. (1973). Aerial stereo photographs, for stereoscope viewing in geology, geography, conservation, forestry, surveying. Hubbard Press.
Chicago-referens (17:e uppl.)Wanless, Harold R. Aerial Stereo Photographs, for Stereoscope Viewing in Geology, Geography, Conservation, Forestry, Surveying. Northbrook, Ill: Hubbard Press, 1973.
MLA-referens (9:e uppl.)Wanless, Harold R. Aerial Stereo Photographs, for Stereoscope Viewing in Geology, Geography, Conservation, Forestry, Surveying. Hubbard Press, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.