एपीए उद्धरण

OECD. (1976). Regional problems and policies in OECD countries. Paris: Organization for economic co-operation and development.

शिकागो स्टाइल उद्धरण

OECD. Regional Problems and Policies in OECD Countries. Paris: Organization for economic co-operation and development, 1976.

एमएलए उद्धरण

OECD. Regional Problems and Policies in OECD Countries. Paris: Organization for economic co-operation and development, 1976.