Campbell, M. V. (1991). Agenda 2.0 made easy. McGraw-Hill.
芝加哥风格引文Campbell, Mary V. Agenda 2.0 Made Easy. Berkeley, Calif: McGraw-Hill, 1991.
MLA引文Campbell, Mary V. Agenda 2.0 Made Easy. McGraw-Hill, 1991.
警告：这些引文格式不一定是100％准确.
APA引文