GREGG, H. (1956). Art for the schools of Amerika.-- ed.2. International textbook co.
芝加哥风格引文GREGG, Harold. Art for the Schools of Amerika.-- Ed.2. Pennsylvania: International textbook co, 1956.
MLA引文GREGG, Harold. Art for the Schools of Amerika.-- Ed.2. International textbook co, 1956.
警告：这些引文格式不一定是100％准确.