APA (7e ed.) Bronvermelding

Branch. Optimism at All Costs. University of Massachusetts Press.

Chicago (17e ed.) Bronvermelding

Branch. Optimism at All Costs. University of Massachusetts Press.

MLA (8e ed.) Bronvermelding

Branch. Optimism at All Costs. University of Massachusetts Press.

Let op: Deze citaties zijn niet altijd 100% accuraat.