Gupta, S. (2022). Digital Marketing (2nd.). McGraw Hill Education (India) Private Limited.
Chicago (17e ed.) BronvermeldingGupta, Seema. Digital Marketing. 2nd. Chennai: McGraw Hill Education (India) Private Limited, 2022.
MLA (9e ed.) BronvermeldingGupta, Seema. Digital Marketing. 2nd. McGraw Hill Education (India) Private Limited, 2022.
Let op: Deze citaties zijn niet altijd 100% accuraat.