Dyfyniad APA
Oppenheim, A. V., Willsky, A. S., & Nawab, S. H. (1997). Signals & systems (2nd ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Oppenheim, Alan V., Alan S. Willsky, and Syed Hamid Nawab. Signals & Systems. 2nd ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 1997.
Dyfyniad MLA
Oppenheim, Alan V., et al. Signals & Systems. 2nd ed. Prentice Hall, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.