APA (7th ed.) Citation
Sheehan, B. (2012). Marketing on-line (1a. ed.). Blume.
Chicago Style (17th ed.) Citation
Sheehan, Brian. Marketing On-line. 1a. ed. Barcelona: Blume, 2012.
MLA (9th ed.) Citation
Sheehan, Brian. Marketing On-line. 1a. ed. Blume, 2012.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.