United States Department of Agriculture & National Agricultural Statistics Service. (1996). Agricultural Chemical Usage. 1995 Fruits Summary.
Chicago-referens (17:e uppl.)United States Department of Agriculture och National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
MLA-referens (9:e uppl.)United States Department of Agriculture och National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.