Παραπομπή APA

Krippendorff, E. (1975). International relations as a social science.

Παραπομπή Chicago Style

Krippendorff, E. International Relations as a Social Science. New Delhi, Radient publishers, 1975.

Παραπομπή MLA

Krippendorff, E. International Relations as a Social Science. 1975.