Nichols, G. (2006). Soda, clay, and fire. American Ceramic Society.
Chicago Style aipamenaNichols, Gail. Soda, Clay, and Fire. Westerville, OH: American Ceramic Society, 2006.
MLA aipamenaNichols, Gail. Soda, Clay, and Fire. American Ceramic Society, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.