Παραπομπή APA

International symposium on landslides. (1990). Proceedings: :v.3. Sastra prakasan.

Παραπομπή Chicago Style

International symposium on landslides. Proceedings: :v.3. Meerut: Sastra prakasan, 1990.

Παραπομπή MLA

International symposium on landslides. Proceedings: :v.3. Sastra prakasan, 1990.