APA (7e ed.) Bronvermelding
Luthans, F., Youssef, C. M., & Avolio, B. J. (2007). Psychological capital: Developing the human competitive edge. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Luthans, Fred, Carolyn M. Youssef, en Bruce J. Avolio. Psychological Capital: Developing the Human Competitive Edge. Oxford ; New York: Oxford University Press, 2007.
MLA (9e ed.) Bronvermelding
Luthans, Fred, et al. Psychological Capital: Developing the Human Competitive Edge. Oxford University Press, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.