Mark Tobey: A centennial exhibition : [Ausstellung, November 1990 - Januar 1991]. Galerie Beyeler.
Cita Chicago (17th ed.)Mark Tobey: A Centennial Exhibition : [Ausstellung, November 1990 - Januar 1991]. Basel: Galerie Beyeler.
Cita MLA (8th ed.)Mark Tobey: A Centennial Exhibition : [Ausstellung, November 1990 - Januar 1991]. Galerie Beyeler.
Atenció: Aquestes cites poden no estar 100% correctes.