Gupta, S. (2022). Digital Marketing (3rd.). McGraw Hill.
Chicago Style aipamenaGupta, Seema. Digital Marketing. 3rd. Chennai: McGraw Hill, 2022.
MLA aipamenaGupta, Seema. Digital Marketing. 3rd. McGraw Hill, 2022.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.