Bird, R., & Mu, S. (2005). Countdown: A Case Study in Origami Programming.
芝加哥风格引文Bird, R., 与 S. Mu. Countdown: A Case Study in Origami Programming. 2005.
MLA引文Bird, R., 与 S. Mu. Countdown: A Case Study in Origami Programming. 2005.
警告：这些引文格式不一定是100％准确.