APA-referens (7:e uppl.)

Houlsby, G., & Wroth, C. (1989). Influence of soil stiffness and lateral stress on the results of in-situ soil tests. Publ by A.A. Balkema.

Chicago-referens (17:e uppl.)

Houlsby, G., och C. Wroth. Influence of Soil Stiffness and Lateral Stress on the Results of In-situ Soil Tests. Publ by A.A. Balkema, 1989.

MLA-referens (9:e uppl.)

Houlsby, G., och C. Wroth. Influence of Soil Stiffness and Lateral Stress on the Results of In-situ Soil Tests. Publ by A.A. Balkema, 1989.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.