APA (7e ed.) Bronvermelding
Leider, R. (2010). The power of purpose: Find meaning, live longer, better (2nd ed.). Berrett-Koehler Publishers.
Chicago (17e ed.) Bronvermelding
Leider, Richard. The Power of Purpose: Find Meaning, Live Longer, Better. 2nd ed. San Francisco, CA: Berrett-Koehler Publishers, 2010.
MLA (9e ed.) Bronvermelding
Leider, Richard. The Power of Purpose: Find Meaning, Live Longer, Better. 2nd ed. Berrett-Koehler Publishers, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.