(1961). 100 problems in environmental health: A collection of promising research problems. Washington: Kirby Lithograph.
Chicago-stil citat100 Problems in Environmental Health: A Collection of Promising Research Problems. Washington: Kirby Lithograph, 1961.
MLA-referens100 Problems in Environmental Health: A Collection of Promising Research Problems. Washington: Kirby Lithograph, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.