APA (7. basım) Alıntı

Helm, D. (1989). The Economic borders of the state. Oxford University Press.

Chicago Style (17. basım) Atıf

Helm, Dieter. The Economic Borders of the State. Oxford [Eng.]: Oxford University Press, 1989.

MLA (9th ed.) Atıf

Helm, Dieter. The Economic Borders of the State. Oxford University Press, 1989.