APA (7e ed.) Bronvermelding
Caro, T. M., & Girling, S. (2010). Conservation by proxy: Indicator, umbrella, keystone, flagship, and other surrogate species. Island Press.
Chicago (17e ed.) Bronvermelding
Caro, T. M., en Sheila Girling. Conservation by Proxy: Indicator, Umbrella, Keystone, Flagship, and Other Surrogate Species. Washington, DC: Island Press, 2010.
MLA (9e ed.) Bronvermelding
Caro, T. M., en Sheila Girling. Conservation by Proxy: Indicator, Umbrella, Keystone, Flagship, and Other Surrogate Species. Island Press, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.