Joseph F Hair & Robert P Bush. (2006). Marketing Research: Within a Changing Information Environment (3rd.). McGraw Hill.
Παραπομπή Chicago StyleJoseph F Hair και Robert P Bush. Marketing Research: Within a Changing Information Environment. 3rd. McGraw Hill, 2006.
Παραπομπή MLAJoseph F Hair και Robert P Bush. Marketing Research: Within a Changing Information Environment. 3rd. McGraw Hill, 2006.
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