Verschiedene Links
Gfk Gruppe
ACNielsen
TNS infratest
AMA American Marketing Association
Society for Marketing Science
European Marketing Academy (EMAC)
Professoren/Universitäten
Prof. Martin Natter, Handel, Universität Frankfurt
Prof. Dirk van den Poel, Customer Relationship Management, Universität Gent
Prof. Winfried Steiner, Marketing, Techn. Universität Clausthal