Gupta, S. L., & Gupta, H. (2012). Business research methods. Tata McGraw-Hill.
Chicago Edition CitationGupta, S. L., and Hitesh Gupta. Business Research Methods. New Delhi: Tata McGraw-Hill, 2012.
ציטוט MLAGupta, S. L., and Hitesh Gupta. Business Research Methods. Tata McGraw-Hill, 2012.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.