Gupta, S. (2022). Digital Marketing (2nd.). McGraw Hill Education (India) Private Limited.
Citazione stile Chigago Style (17a edizione)Gupta, Seema. Digital Marketing. 2nd. Chennai: McGraw Hill Education (India) Private Limited, 2022.
Citatione MLA (9a ed.)Gupta, Seema. Digital Marketing. 2nd. McGraw Hill Education (India) Private Limited, 2022.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.