Παραπομπή APA

Luhmann, N. (2004). Law as a social system. Oxford University Press.

Παραπομπή Chicago Style

Luhmann, Niklas. Law as a Social System. Oxford: Oxford University Press, 2004.

Παραπομπή MLA

Luhmann, Niklas. Law as a Social System. Oxford University Press, 2004.