Gaya APA

Kogel, J, E. et al (2002). The georgia kaolins : Geology and utilization . Amerika.: Society for Mining, Metallurgy and Exploration.

Gaya MLA

Kogel, Jessica, Elzea. et al. "The georgia kaolins : Geology and utilization". Amerika.: Society for Mining, Metallurgy and Exploration, 2002. Textbook.