Brace Research Institute. (1973). How to make a solar still (plastic covered) (Rev. ed.). Brace Research Institute.
Chicago-referens (17:e uppl.)Brace Research Institute. How to Make a Solar Still (plastic Covered). Rev. ed. Quebec: Brace Research Institute, 1973.
MLA-referens (9:e uppl.)Brace Research Institute. How to Make a Solar Still (plastic Covered). Rev. ed. Brace Research Institute, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.