Keller, M. (2010). Portfolios 01: An essential primer for today's competitive market. Rockport Publishers.
芝加哥风格引文Keller, Maura. Portfolios 01: An Essential Primer for Today's Competitive Market. Beverly, Mass.: Rockport Publishers, 2010.
MLA引文Keller, Maura. Portfolios 01: An Essential Primer for Today's Competitive Market. Rockport Publishers, 2010.
警告：这些引文格式不一定是100％准确.