Gaya APA

Vecchia, O.. (1978). A Simple Terrain Index for the Stability of Hillsides or Scarps . : s.n..

Gaya Chicago

Vecchia, O.. A Simple Terrain Index for the Stability of Hillsides or Scarps. : s.n., 1978. Computer Software.

Gaya MLA

Vecchia, O.. A Simple Terrain Index for the Stability of Hillsides or Scarps. : s.n., 1978. Computer Software.

Gaya Turabian

Vecchia, O.. A Simple Terrain Index for the Stability of Hillsides or Scarps. : s.n., 1978. Computer Software.