Feldman, F. (2010). Wath is this thing called happiness? (Primera edición.). Oxford University Press.
Chicagoスタイル(17版)引用形式Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. New York: Oxford University Press, 2010.
MLA(8版)引用形式Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. Oxford University Press, 2010.
警告: この引用は必ずしも正確ではありません.