Walker art center & Friedman, M. S. (1989). Graphic design in America: A visual language history. Walker Art center.
芝加哥风格引文Walker art center 与 Mildred S. Friedman. Graphic Design in America: A Visual Language History. Minneapolis: Walker Art center, 1989.
MLA引文Walker art center 与 Mildred S. Friedman. Graphic Design in America: A Visual Language History. Walker Art center, 1989.
警告：这些引文格式不一定是100％准确.