Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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