APA
Fredlund D.G. Rahardjo H, . (1993). Soilmechanics for Unsataxated Soils. New York: Johnwiely.
Chicago
Fredlund D.G. Rahardjo H, . 1993. Soilmechanics for Unsataxated Soils. New York: Johnwiely.
Harvard
Fredlund D.G. Rahardjo H, . (1993). Soilmechanics for Unsataxated Soils. New York: Johnwiely.
MLA
Fredlund D.G. Rahardjo H, . Soilmechanics for Unsataxated Soils. New York: Johnwiely. 1993.