APA aipamena

(1968). The social sciences: Problems and orientations. Paris: Unesco.

Chicago Style aipamena

The Social Sciences: Problems and Orientations. Paris: Unesco, 1968.

MLA aipamena

The Social Sciences: Problems and Orientations. Paris: Unesco, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.