APA (7e ed.) Bronvermelding
Hannan, B. (2009). The riddle of the world: A reconsideration of Schopenhauer's philosophy. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Hannan, Barbara. The Riddle of the World: A Reconsideration of Schopenhauer's Philosophy. Oxford ; New York: Oxford University Press, 2009.
MLA (9e ed.) Bronvermelding
Hannan, Barbara. The Riddle of the World: A Reconsideration of Schopenhauer's Philosophy. Oxford University Press, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.