Text Books:

1. Electrical Circuit Theory and Technology: John Bird

2. Foundations of Electronic Circuits and Devices: Russell L. Meade and Robert Diffenderfer

3. Circuit Analysis: theory and practice by Allan Robbins and Wilhelm C. Miller: Publisher: Thomson

http://www.allaboutcircuits.com/vol_2/chpt_1/1.html 

http://highered.mcgraw-hill.com/sites/0072283645/student_view0/network_analysis_tutorials.html

http://highered.mcgraw-hill.com/sites/0072283645/student_view0/chapter_outlines___overviews.html

http://www.stanford.edu/~rsasaki/EEAP248/chapter3.pdf

http://utwired.engr.utexas.edu/rgd1/index.cfm

http://en.wikipedia.org/wiki/Network_analysis_(electronics)