Verra, G. J. (1994). International account management: An organizational dilemma : An explorative study within the field of international business to business marketing. Drukkerij Elinkwijk BV.
Chicago-referens (17:e uppl.)Verra, Gerben Jan. International Account Management: An Organizational Dilemma : An Explorative Study Within the Field of International Business to Business Marketing. Utrecht: Drukkerij Elinkwijk BV, 1994.
MLA-referens (8:e uppl.)Verra, Gerben Jan. International Account Management: An Organizational Dilemma : An Explorative Study Within the Field of International Business to Business Marketing. Drukkerij Elinkwijk BV, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.