↑ Ilene Strizver (2011). "ALL CAPS: To set or not to set?". Fonts.com. Monotype Imaging. Dicapai 21 Jun 2011. ; Cohen, Noam (4 Februari 2008). "Is Obama a Mac and Clinton a PC?". New York Times. Dicapai 29 Januari 2011. Jason Santa Maria, creative director of Happy Cog Studios, which designs Web sites, detected a basic breach of netiquette. “Hillary’s text is all caps, like shouting,” he said.
↑ Wheildon, Colin (1995). Type and Layout: How Typography and Design Can Get your Message Across - Or Get in the Way. Berkeley: Strathmoor Press. m/s. 62. ISBN0-9624891-5-8.
