COOPER D R. (2000). BUSINESS RESEARCH METHODS (6TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago Style (17th ed.) CitationCOOPER D R. BUSINESS RESEARCH METHODS. 6TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2000.
ציטוט MLACOOPER D R. BUSINESS RESEARCH METHODS. 6TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.