Ferber, R. (1949). Market research. McGraw Hill.
Chicago Edition CitationFerber, Robert. Market Research. New York: McGraw Hill, 1949.
MLA citiranjeFerber, Robert. Market Research. McGraw Hill, 1949.
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Ferber, R. (1949). Market research. McGraw Hill.
Chicago Edition CitationFerber, Robert. Market Research. New York: McGraw Hill, 1949.
MLA citiranjeFerber, Robert. Market Research. McGraw Hill, 1949.