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 (9th ed.) CitationDELENS A H R. PRINCIPLES OF MARKET RESEARCH. CROSBY LOCKWOOD, 1973.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.