Kerr, J. R., & Littlefield, J. E. (1974). Marketing: An environemental approach. Prentice-Hall of India.
Chicago Style aipamenaKerr, John R., and James E. Littlefield. Marketing: An Environemental Approach. New Jersey: Prentice-Hall of India, 1974.
MLA aipamenaKerr, John R., and James E. Littlefield. Marketing: An Environemental Approach. Prentice-Hall of India, 1974.
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