Aycock, C., & Brent, R. (2011). Progressive messages: Tracking message progress through events.
芝加哥风格引文Aycock, CC, 与 RP Brent. Progressive Messages: Tracking Message Progress Through Events. 2011.
MLA引文Aycock, CC, 与 RP Brent. Progressive Messages: Tracking Message Progress Through Events. 2011.
警告：这些引文格式不一定是100％准确.