Toll, D. G. (2008). Unsaturated soils : theoretical and numerical advances: Theoretical and numerical advances. CRC Press/Balkema.
Lua i Stíl Chicago (17ú heag.)Toll, D. G. Unsaturated Soils : Theoretical and Numerical Advances: Theoretical and Numerical Advances. London: CRC Press/Balkema, 2008.
Lua MLA (9ú heag.)Toll, D. G. Unsaturated Soils : Theoretical and Numerical Advances: Theoretical and Numerical Advances. CRC Press/Balkema, 2008.
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