APA引文

Cumper,George E. (1991). The evaluation of national systems. Oxford University Press.

Chicago Style (17th ed.) Citation

Cumper,George E. The Evaluation of National Systems. New york: Oxford University Press, 1991.

MLA引文

Cumper,George E. The Evaluation of National Systems. Oxford University Press, 1991.

警告:這些引文格式不一定是100%准確.