Παραπομπή σε μορφή APA (7η εκδ.)

Timmers, P. (1999). Electronic commerce: Strategies and models for business to business trading. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Timmers, Paul. Electronic Commerce: Strategies and Models for Business to Business Trading. Chichester,West Sussex,England New York: Wiley, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Timmers, Paul. Electronic Commerce: Strategies and Models for Business to Business Trading. Wiley, 1999.