Lua APA (7ú heag.)

BOYD HARPER W. (2005). MARKETING RESEARCH: TEXT AND CASES (7TH.). AITBS PUBLICATION.

Lua i Stíl Chicago (17ú heag.)

BOYD HARPER W. MARKETING RESEARCH: TEXT AND CASES. 7TH. DELHI: AITBS PUBLICATION, 2005.

Lua MLA (9ú heag.)

BOYD HARPER W. MARKETING RESEARCH: TEXT AND CASES. 7TH. AITBS PUBLICATION, 2005.

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