Leuschner, E. (2009). Rules and Rulers: Robert Morris, Canonical Measures and the Definition of Art in the 1960s. Münchner Jahrbuch der Bildenden Kunst.
Chicago-referens (17:e uppl.)Leuschner, Eckhard. "Rules and Rulers: Robert Morris, Canonical Measures and the Definition of Art in the 1960s." Münchner Jahrbuch Der Bildenden Kunst 2009.
MLA-referens (8:e uppl.)Leuschner, Eckhard. "Rules and Rulers: Robert Morris, Canonical Measures and the Definition of Art in the 1960s." Münchner Jahrbuch Der Bildenden Kunst, 2009.
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