Παραπομπή σε μορφή APA (7η εκδ.)

Vermeulen, F. (2017). Breaking bad Habits: Defy Industry Norms and Reinvigorate your Business. Harvard Business Review Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Vermeulen, Freek. Breaking Bad Habits: Defy Industry Norms and Reinvigorate Your Business. Boston, Massachusetts: Harvard Business Review Press, 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Vermeulen, Freek. Breaking Bad Habits: Defy Industry Norms and Reinvigorate Your Business. Harvard Business Review Press, 2017.