Não informado. (1985). Applied Engineering in Agriculture. American Society of Agricultural Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Applied Engineering in Agriculture. St. Joseph, Mich: American Society of Agricultural Engineers, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Applied Engineering in Agriculture. American Society of Agricultural Engineers, 1985.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.