Lua APA (7ú heag.)
Oppenheim, A. V., Willsky, A. S., & Nawab, S. H. (1997). Signals & systems (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Oppenheim, Alan V., Alan S. Willsky, agus Syed Hamid Nawab. Signals & Systems. 2nd ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 1997.
Lua MLA (9ú heag.)
Oppenheim, Alan V., et al. Signals & Systems. 2nd ed. Prentice Hall, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.