Bird, R., & Mu, S. (2005). Countdown: A Case Study in Origami Programming.
Cita Chicago (17th ed.)Bird, R., i S. Mu. Countdown: A Case Study in Origami Programming. 2005.
Cita MLA (9th ed.)Bird, R., i S. Mu. Countdown: A Case Study in Origami Programming. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.