United States Department of Agriculture & National Agricultural Statistics Service. (1996). Agricultural Chemical Usage. 1995 Fruits Summary.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States Department of Agriculture και National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)United States Department of Agriculture και National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.