APA (7th ed.) Zitazioa

Friedrichs, C. (2012). Seven simple tools to build a motivating work environment. Diplomica Verlag.

Chicago Style (17th ed.) Zitazioa

Friedrichs, Christian. Seven Simple Tools to Build a Motivating Work Environment. Hamburg: Diplomica Verlag, 2012.

MLA (9th ed.) Zitazioa

Friedrichs, Christian. Seven Simple Tools to Build a Motivating Work Environment. Diplomica Verlag, 2012.