Mangold, R. (1982). Project by Robert Mangold: "Three Color + within +". Artforum.
Chicago-Zitierstil (17. Ausg.)Mangold, Robert. "Project by Robert Mangold: "Three Color + Within +"." Artforum 1982.
MLA-Zitierstil (8. Ausg.)Mangold, Robert. "Project by Robert Mangold: "Three Color + Within +"." Artforum, 1982.
警告：这些引文格式不一定是100％准确.