Gupta, S. L., & Seema gupta Utkarsh gupta. (2010). Marketing research (1.). Excel books.
Chicago Style citaatGupta, S L., en Seema gupta Utkarsh gupta. Marketing Research. 1. Newdelhi: Excel books, 2010.
MLA citatieGupta, S L., en Seema gupta Utkarsh gupta. Marketing Research. 1. Excel books, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.