एपीए उद्धरण

Piaget,Jean. (1970). Main trends in interdisciplinary research. George Allen & Unwin.

शिकागो स्टाइल उद्धरण

Piaget,Jean. Main Trends in Interdisciplinary Research. Great Britain: George Allen & Unwin, 1970.

एमएलए उद्धरण

Piaget,Jean. Main Trends in Interdisciplinary Research. George Allen & Unwin, 1970.