Παραπομπή σε μορφή APA (7η εκδ.)

Herhausen, D. (2011). Understanding Proactive Customer Orientation: Construct Development and Managerial Implications. Gabler.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Herhausen, Dennis. Understanding Proactive Customer Orientation: Construct Development and Managerial Implications. Wiesbaden: Gabler, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Herhausen, Dennis. Understanding Proactive Customer Orientation: Construct Development and Managerial Implications. Gabler, 2011.