COOPER, D. R. (2007). Metode Riset Bisnis, Ed. 9, Volume I. Salemba Empat.
Chicago Style (17th ed.) CitationCOOPER, Donald R. Metode Riset Bisnis, Ed. 9, Volume I. Salemba Empat, 2007.
MLA (8th ed.) CitationCOOPER, Donald R. Metode Riset Bisnis, Ed. 9, Volume I. Salemba Empat, 2007.
Warning: These citations may not always be 100% accurate.