Understanding digital marketing
Ryan Damian, Jones CalvinKniha
Citace v seznamu literatury:
RYAN, Damian a JONES, Calvin. Understanding digital marketing: marketing strategies for engaging the digital generation. London: Kogan Page, 2009. ISBN 9780749453893. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy0906/2008034688-t.html.