Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.