Gaya APA

Stevenson, H, W., Stigler, J, W. (1992). The Learning gap : why our schools are failing and what we can learn from Japanese and Chinese education . New York: Summit Books.

Gaya MLA

Stevenson, Harold, W.., Stigler, James, W.. "The Learning gap : why our schools are failing and what we can learn from Japanese and Chinese education". New York: Summit Books, 1992. Text.