APA引文

Wykstra, R. A. (1971). Education and the economics of human capital. Free Press.

Chicago Edition Citation

Wykstra, Ronald A. Education and the Economics of Human Capital. New York: Free Press, 1971.

MLA引文

Wykstra, Ronald A. Education and the Economics of Human Capital. Free Press, 1971.

警告：這些引文格式不一定是100％准確.