Παραπομπή APA

Kerkhof, T. v. d. (2017). Effective business leadership: An intuitive approach. Viva books.

Παραπομπή Chicago Style

Kerkhof, Twan van de. Effective Business Leadership: An Intuitive Approach. New Delhi: Viva books, 2017.

Παραπομπή MLA

Kerkhof, Twan van de. Effective Business Leadership: An Intuitive Approach. Viva books, 2017.