APA aipamena

Chaffey, D. (2013). Emarketing Excellence (4th.). Routledge.

Chicago Style aipamena

Chaffey, Dave. Emarketing Excellence. 4th. New York: Routledge, 2013.

MLA aipamena

Chaffey, Dave. Emarketing Excellence. 4th. Routledge, 2013.