Gaya APA

Stokes, R., Quirk, T, M, O. (2013). eMarketing The essential guide to marketing in a digital world (Fifth Edition). United States of America: Quirk eMarketing (Pty) Ltd..

Gaya MLA

Stokes, Rob., Quirk, The, Minds, Of. "eMarketing The essential guide to marketing in a digital world". Fifth Edition United States of America: Quirk eMarketing (Pty) Ltd., 2013. eBook.