velde, B. (1992). Introduction to clay minerals: Chemistry,origins, uses and environmental significance. Chapman & Hall.
Cita Chicago (17th ed.)velde, B. Introduction to Clay Minerals: Chemistry,origins, Uses and Environmental Significance. London: Chapman & Hall, 1992.
Cita MLA (9th ed.)velde, B. Introduction to Clay Minerals: Chemistry,origins, Uses and Environmental Significance. Chapman & Hall, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.