Haas, H. J. (1965). A comparison of the dynamic and static shear strengths of cohesionless, cohesive and combined soils. s.n.].
Lua i Stíl Chicago (17ú heag.)Haas, H. J. A Comparison of the Dynamic and Static Shear Strengths of Cohesionless, Cohesive and Combined Soils. [Notre Dame, Ind.: s.n.], 1965.
Lua MLA (8ú heag.)Haas, H. J. A Comparison of the Dynamic and Static Shear Strengths of Cohesionless, Cohesive and Combined Soils. s.n.], 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.