.Simon, L. S., & Freimer, M. (1970). Analytical marketing. Harcourt, Brace & World.
Chicago-čujuhus (17. p.).Simon, Leonard S., juo Marshall Freimer. Analytical Marketing. New York: Harcourt, Brace & World, 1970.
MLA-čujuhus (9. p.).Simon, Leonard S., juo Marshall Freimer. Analytical Marketing. Harcourt, Brace & World, 1970.
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