एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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