APA (7e ed.) Bronvermelding

Graham, C. (2009). Happiness around the world: The paradox of happy peasants and miserable millionaires. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Graham, Carol. Happiness Around the World: The Paradox of Happy Peasants and Miserable Millionaires. Oxford: Oxford University Press, 2009.

MLA (9e ed.) Bronvermelding

Graham, Carol. Happiness Around the World: The Paradox of Happy Peasants and Miserable Millionaires. Oxford University Press, 2009.