Cita APA (7th ed.)

Oppenheim, A. V., Willsky, A. S., & Nawab, S. H. (2015). Signals and systems (Second edition.). Pearson India Education Services.

Cita Chicago (17th ed.)

Oppenheim, Alan V., Alan S. Willsky, i S. Hamid Nawab. Signals and Systems. Second edition. India: Pearson India Education Services, 2015.

Cita MLA (9th ed.)

Oppenheim, Alan V., et al. Signals and Systems. Second edition. Pearson India Education Services, 2015.