Gaya APA

Sharpe, C, S. (1960). Landslides and Related Phenomena : A Study of Mass-Movements of Soil and Rock . New Jersey: Pageant Books, INC..

Gaya MLA

Sharpe, C.F., Stewart. "Landslides and Related Phenomena : A Study of Mass-Movements of Soil and Rock". New Jersey: Pageant Books, INC., 1960. Text.