APA-viite (7. p.)

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-viite (17. p.)

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

MLA-viite (9. p.)

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

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.