APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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