Oxide Design Co & ebrary, Inc. (2011). Letterhead+logo design 12. Rockport Pub..
芝加哥风格引文Oxide Design Co 与 Inc ebrary. Letterhead+logo Design 12. Gloucester, Mass.: Rockport Pub., 2011.
MLA引文Oxide Design Co 与 Inc ebrary. Letterhead+logo Design 12. Rockport Pub., 2011.
警告：这些引文格式不一定是100％准确.