Feldman, F. (2010). Wath is this thing called happiness? (Primera edición.). Oxford University Press.
芝加哥风格引文Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. New York: Oxford University Press, 2010.
MLA引文Feldman, Fred. Wath Is This Thing Called Happiness? Primera edición. Oxford University Press, 2010.
警告：这些引文格式不一定是100％准确.