Nilsson, J. W., Riedel, S. A., & Nilsson, J. W. (1993). Introduction to PSpice: A supplement to electric circuits (4th ed.). Addison-Willey Publishing.

Nilsson, James William, Susan A. Riedel, and JAmes William Nilsson. Introduction to PSpice: A Supplement to Electric Circuits. 4th ed. New York: Addison-Willey Publishing, 1993.

Nilsson, James William, et al. Introduction to PSpice: A Supplement to Electric Circuits. 4th ed. Addison-Willey Publishing, 1993.