Gaya APA

Beckham, , T. (1994). Selection of Design Strengths of Untreated Soil Subgrades and Subgrades Treated with Cement and Hydrated Lime . : TRB.

Gaya MLA

Beckham, , Tony. "Selection of Design Strengths of Untreated Soil Subgrades and Subgrades Treated with Cement and Hydrated Lime". : TRB, 1994. Chart.