American Society of Agricultural Engineers, Barrett, J. R., & Jones, D. D. (1989). Knowledge engineering in agriculture. American Society of Agricultural Engineers.
Citazione stile Chigago Style (17a edizione)American Society of Agricultural Engineers, J. R. Barrett, e D. D. Jones. Knowledge Engineering in Agriculture. St. Joseph, Mich. (2950 Niles Rd., St. Joseph 49085-9659): American Society of Agricultural Engineers, 1989.
Citatione MLA (8a ed.)American Society of Agricultural Engineers, et al. Knowledge Engineering in Agriculture. American Society of Agricultural Engineers, 1989.
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