एपीए उद्धरण

International symposium on landslides. (1990). Proceedings: :v.2. Sastra prakasan.

शिकागो स्टाइल उद्धरण

International symposium on landslides. Proceedings: :v.2. Meerut: Sastra prakasan, 1990.

एमएलए उद्धरण

International symposium on landslides. Proceedings: :v.2. Sastra prakasan, 1990.