Cita APA (7th ed.)
Sheehan, B. (2012). Marketing on-line (1a. ed.). Blume.
Cita Chicago (17th ed.)
Sheehan, Brian. Marketing On-line. 1a. ed. Barcelona: Blume, 2012.
Cita MLA (9th ed.)
Sheehan, Brian. Marketing On-line. 1a. ed. Blume, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.