Sekaran Uma. Research Methods for Business (5th.). Wiley India.
Chicago (17e ed.) BronvermeldingSekaran Uma. Research Methods for Business. 5th. 2010: Wiley India.
MLA (9e ed.) BronvermeldingSekaran Uma. Research Methods for Business. 5th. Wiley India.
Let op: Deze citaties zijn niet altijd 100% accuraat.