WARE, G. W., & MCCOLLUM, J. (1968). Producing vegetable crops. The Interstate Printers and Publishers.
Chicago-čujuhus (17. p.)WARE, George W., juo J.P MCCOLLUM. Producing Vegetable Crops. Illinois: The Interstate Printers and Publishers, 1968.
MLA-čujuhus (9. p.)WARE, George W., juo J.P MCCOLLUM. Producing Vegetable Crops. The Interstate Printers and Publishers, 1968.
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