C

Algorithms in C, Part 5: Graph Algorithms ,3rd edition

Robert Sedgewick

C Primer Plus ,6th edition

Stephen Prata

C Programming Absolute Beginner's Guide ,3rd edition

Greg Perry , Dean Miller

C Programming Language ,2nd edition

Brian Kernighan , Dennis Ritchie

Objective-C Programming: The Big Nerd Ranch Guide ,2nd edition

Aaron Hillegass , Mikey Ward