APA-viite (7. p.)

velde, B. (1992). Introduction to clay minerals: Chemistry,origins, uses and environmental significance. Chapman & Hall.

Chicago-viite (17. p.)

velde, B. Introduction to Clay Minerals: Chemistry,origins, Uses and Environmental Significance. London: Chapman & Hall, 1992.

MLA-viite (9. p.)

velde, B. Introduction to Clay Minerals: Chemistry,origins, Uses and Environmental Significance. Chapman & Hall, 1992.