APA (7. basım) Alıntı

Proehl, P. O. (1959). Legal problems of international trade. University of Illinois Press.

Chicago Style (17. basım) Atıf

Proehl, Paul O. Legal Problems of International Trade. Urbana: University of Illinois Press, 1959.

MLA (9th ed.) Atıf

Proehl, Paul O. Legal Problems of International Trade. University of Illinois Press, 1959.