APA aipamena

Chaffey, D. &. S. P. (2013). E-marketing excellence. Routledge.

Chicago Style aipamena

Chaffey, Dave & Smith PR. E-marketing Excellence. Landon: Routledge, 2013.

MLA aipamena

Chaffey, Dave & Smith PR. E-marketing Excellence. Routledge, 2013.