Bowring, J. R., southworth, h. m., & waugh, f. v. (1960). Marketing policies for agriculture. Prentice-Hall.
Chicago-čujuhus (17. p.)Bowring, James R., herman m. southworth, juo frederick v. waugh. Marketing Policies for Agriculture. Englewood Cliffs, N.J: Prentice-Hall, 1960.
MLA-čujuhus (9. p.)Bowring, James R., et al. Marketing Policies for Agriculture. Prentice-Hall, 1960.
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