Não informado. (2004). Agricultural Electronics. American Society of Agricultural Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Agricultural Electronics. St. Joseph, Mich: American Society of Agricultural Engineers, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Agricultural Electronics. American Society of Agricultural Engineers, 2004.
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