Donald Cooper. (2019). Business Reserarch Methods (12th ed.). McGraw Hill.
Chicago (17e ed.) BronvermeldingDonald Cooper. Business Reserarch Methods. 12th ed. Delhi: McGraw Hill, 2019.
MLA (9e ed.) BronvermeldingDonald Cooper. Business Reserarch Methods. 12th ed. McGraw Hill, 2019.
Let op: Deze citaties zijn niet altijd 100% accuraat.