Books Google
Books Google
http://books.google.nl/books?hl=nl&lr=&id=03A4363JQd4C&oi=fnd&pg=PA7&dq=onderzoeken+social+media+mar
Dare
Dare
http://dare.uva.nl/search?metis.record.id=332288
Google Books
Google Books
http://books.google.nl/books?hl=nl&lr=&id=7l2OR6giC6AC&oi=fnd&pg=PT7&dq=tips+social+media+marketing&
Social Networking
Social Networking
http://social-network-marketing.info/sites/default/files/Literaturliste.pdf