Barnett, Raymond A.
Precalculus : functions and graphs
McGraw-HIll, 2001
 Buku Teks SO
Swokowski, Earl W.
Precalculus : functions and graphs
Brooks/Cole, 2012
 Buku Teks SO
Handbook of mathematical functions with formulas, graphs, and mathematical tables
edited by Milton Abramowitz and Irene A. Stegun
U.S. Government Printing Office, 1967
 Buku Referensi
Carre, Bernard
Graphs and networks
Clarendon Press, 1979
 Buku Teks SO
Gondran, Michel
Graphs and algorithms
John Wiley & Sons, 1984
 Buku Teks SO