CRAIG, R. (1983). Soil mechanics. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)CRAIG, R.F. Soil Mechanics. Wokingham: Van Nostrand Reinhold, 1983.
Lua MLA (9ú heag.)CRAIG, R.F. Soil Mechanics. Van Nostrand Reinhold, 1983.
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