LTspice® for linear circuits by Svoboda, James A.

Also available remotely for University of the Philippines Diliman College of Engineering. Click here to access thru Remote Access via EZProxy
Available for University of the Philippines Diliman College of Engineering via e-Textbook Reserves under Vital Source. Click here to access.

Analog design and simulation using OrCAD Capture and PSpice by Fitzpatrick, Dennis

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

OrCAD PSpice for Windows by Goody, Roy W.

PSpice for Windows a circuit simulation primer by Goody, Roy W.

The designer's guide to SPICE and Spectre by Kundert, Kenneth S.

Circuit simulation methods and algorithms by Ogrodzki, Jan