Παραπομπή APA

Van Olphen, H. (1977). An introduction to clay colloid chemistry: For clay technologists, geologists, and soil scientists (2d ed.). Wiley.

Παραπομπή Chicago Style

Van Olphen, H. An Introduction to Clay Colloid Chemistry: For Clay Technologists, Geologists, and Soil Scientists. 2d ed. New York: Wiley, 1977.

Παραπομπή MLA

Van Olphen, H. An Introduction to Clay Colloid Chemistry: For Clay Technologists, Geologists, and Soil Scientists. 2d ed. Wiley, 1977.