Conference on Clay Mineralogy and Petrography. Prague, Prague. Universita Karlova, & Czechoslovak Republic. (1961). Vtoraia Konferentsiia po mineralogii i petrografii glin v Prage: Second Conference on Clay Mineralogy and Petrography in Prague. Universita Karlova.
Chicago Style (17. basım) AtıfConference on Clay Mineralogy and Petrography. Prague, Prague. Universita Karlova, ve Czechoslovak Republic. Vtoraia Konferentsiia Po Mineralogii I Petrografii Glin V Prage: Second Conference on Clay Mineralogy and Petrography in Prague. Praha: Universita Karlova, 1961.
MLA (8th ed.) AtıfConference on Clay Mineralogy and Petrography. Prague, et al. Vtoraia Konferentsiia Po Mineralogii I Petrografii Glin V Prage: Second Conference on Clay Mineralogy and Petrography in Prague. Universita Karlova, 1961.