Cita APA (7th ed.)

Gay, R. C. (2012). Online Marketing (1st.). Oxford University Press.

Cita Chicago (17th ed.)

Gay, Richard; Charlesworth. Online Marketing. 1st. New Delhi: Oxford University Press, 2012.

Cita MLA (9th ed.)

Gay, Richard; Charlesworth. Online Marketing. 1st. Oxford University Press, 2012.