Παραπομπή APA

Olphen, H. V. (1963). Introduction to clay colloid chemistry. Interscience Publishers.

Παραπομπή Chicago Style

Olphen, H. Van. Introduction to Clay Colloid Chemistry. : Interscience Publishers, 1963.

Παραπομπή MLA

Olphen, H. Van. Introduction to Clay Colloid Chemistry. Interscience Publishers, 1963.