APA (7e ed.) Bronvermelding
Keller, M. (2010). The unbearable heaviness of governing: The Obama administration in historical perspective. Hoover Institution Press.
Chicago (17e ed.) Bronvermelding
Keller, Morton. The Unbearable Heaviness of Governing: The Obama Administration in Historical Perspective. Stanford, Calif.: Hoover Institution Press, 2010.
MLA (9e ed.) Bronvermelding
Keller, Morton. The Unbearable Heaviness of Governing: The Obama Administration in Historical Perspective. Hoover Institution Press, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.