Gupta, S. (2022). Digital Marketing (3rd.). McGraw Hill.
Cita Chicago (17th ed.)Gupta, Seema. Digital Marketing. 3rd. Chennai: McGraw Hill, 2022.
Cita MLA (9th ed.)Gupta, Seema. Digital Marketing. 3rd. McGraw Hill, 2022.
Atenció: Aquestes cites poden no estar 100% correctes.