Christy, G., & Pearch, S. (1991). Step by step art school. Chartwell Books.
芝加哥风格引文Christy, Geraldine, 与 Sara Pearch. Step by Step Art School. Secaucus, NJ: Chartwell Books, 1991.
MLA引文Christy, Geraldine, 与 Sara Pearch. Step by Step Art School. Chartwell Books, 1991.
警告：这些引文格式不一定是100％准确.