Bowring, J. R., southworth, h. m., & waugh, f. v. (1960). Marketing policies for agriculture. Prentice-Hall.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBowring, James R., herman m. southworth, এবং frederick v. waugh. Marketing Policies for Agriculture. Englewood Cliffs, N.J: Prentice-Hall, 1960.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBowring, James R., et al. Marketing Policies for Agriculture. Prentice-Hall, 1960.