APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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