APA-referens

Powrie, W. (2004). Soil mechanics: Concepts and applications. London: Spon Press.

Chicago-stil citat

Powrie, William. Soil Mechanics: Concepts and Applications. London: Spon Press, 2004.

MLA-referens

Powrie, William. Soil Mechanics: Concepts and Applications. London: Spon Press, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.