DELENS A H R. (1973). PRINCIPLES OF MARKET RESEARCH. CROSBY LOCKWOOD.
Chicago Style (17th ed.) CitationDELENS A H R. PRINCIPLES OF MARKET RESEARCH. LONDON: CROSBY LOCKWOOD, 1973.
MLA citiranjeDELENS A H R. PRINCIPLES OF MARKET RESEARCH. CROSBY LOCKWOOD, 1973.
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