Tika, T. M. (1989). The effect of rate of shear on the residual strength of soil. University of London.
Chicago-viite (17. p.)Tika, Theodora Michael. The Effect of Rate of Shear on the Residual Strength of Soil. University of London, 1989.
MLA-viite (8. p.)Tika, Theodora Michael. The Effect of Rate of Shear on the Residual Strength of Soil. University of London, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.