Princenthal, N. (1999). Robert Mangold: Recent zone paintings : March 18 - April 17, 1999 / PaceWildenstein ; essay Nancy Princenthal. PaceWildenstein.
Chicago-Zitierstil (17. Ausg.)Princenthal, Nancy. Robert Mangold: Recent Zone Paintings : March 18 - April 17, 1999 / PaceWildenstein ; Essay Nancy Princenthal. New York: PaceWildenstein, 1999.
MLA-Zitierstil (8. Ausg.)Princenthal, Nancy. Robert Mangold: Recent Zone Paintings : March 18 - April 17, 1999 / PaceWildenstein ; Essay Nancy Princenthal. PaceWildenstein, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.