Smith, G. N. (1990). Elements of soil mechanics (6th ed.). Blackwell Scientific Publications.
Lua i Stíl Chicago (17ú heag.)Smith, G. N. Elements of Soil Mechanics. 6th ed. Oxford: Blackwell Scientific Publications, 1990.
Lua MLA (9ú heag.)Smith, G. N. Elements of Soil Mechanics. 6th ed. Blackwell Scientific Publications, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.