Stokes, W. L., & Varnes, D. J. (1955). Glossary of selected geologic terms with special reference to their use in engineering. [Colorado Scientific Society].
Chicago-referens (17:e uppl.)Stokes, William Lee, och David J. Varnes. Glossary of Selected Geologic Terms with Special Reference to Their Use in Engineering. Denver: [Colorado Scientific Society], 1955.
MLA-referens (8:e uppl.)Stokes, William Lee, och David J. Varnes. Glossary of Selected Geologic Terms with Special Reference to Their Use in Engineering. [Colorado Scientific Society], 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.