335835 Hartwigsen, G. L. (1980). Design concepts: A basic guidebook. Boston, Mass : Allyn & Bacon.
芝加哥风格引文335835 Hartwigsen, Gail Lynn. Design Concepts: A Basic Guidebook. Boston, Mass : Allyn & Bacon, 1980.
MLA引文335835 Hartwigsen, Gail Lynn. Design Concepts: A Basic Guidebook. Boston, Mass : Allyn & Bacon, 1980.
警告：这些引文格式不一定是100％准确.