United States Department of Agriculture & National Agricultural Statistics Service. (1996). Agricultural Chemical Usage. 1995 Fruits Summary.
Chicago-viite (17. p.)United States Department of Agriculture ja National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
MLA-viite (9. p.)United States Department of Agriculture ja National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
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