Irwin, J. D., & Nelms, R. M. (2008). Basic engineering circuit analysis (9th ed.). John Wiley & Sons.

Irwin, J. David, and R. M. Nelms. Basic Engineering Circuit Analysis. 9th ed. Hoboken, NJ ; New Delhi: John Wiley & Sons, 2008.

Irwin, J. David, and R. M. Nelms. Basic Engineering Circuit Analysis. 9th ed. John Wiley & Sons, 2008.