Shelly, G. B., Cashman, T. J., Green, S. L., & Boetcher, M. M. (1997). Microsoft PowerPoint 97: Introductory concepts and techniques. Course Technology.
Citación estilo ChicagoShelly, Gary B., Thomas J. Cashman, Sherry L. Green, and Marvin M. Boetcher. Microsoft PowerPoint 97: Introductory Concepts and Techniques. Cambridge, Mass: Course Technology, 1997.
Cita MLAShelly, Gary B., et al. Microsoft PowerPoint 97: Introductory Concepts and Techniques. Course Technology, 1997.
Warning: These citations may not always be 100% accurate.