Sheth, J. &. S. (2013). The 4 A's of marketing. Routledge.
Chicago-čujuhus (17. p.)Sheth, Jagdish & Sisadia. The 4 A's of Marketing. New York: Routledge, 2013.
MLA-čujuhus (9. p.)Sheth, Jagdish & Sisadia. The 4 A's of Marketing. Routledge, 2013.
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