Não informado. (1984). Design Issues. University of Illinois at Chicago, School of Art and Design.
Citação do estilo Chicago (17ª ed.)Não informado. Design Issues. Chicago, Ill: University of Illinois at Chicago, School of Art and Design, 1984.
Citação MLA (8ª ed.)Não informado. Design Issues. University of Illinois at Chicago, School of Art and Design, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.