W.F. Chen, editor-in-chief
CRC Press, 2000
Buku Referensi
Vazirani, V.N.
Khana Publishers, 1980
Buku Referensi
Hansen, Karen Lee
John Wiley & Sons, 2011
Buku Referensi
editor, Frederick S. Merritt
McGraw-Hill, 1968
Buku Referensi
Merritt, Frederick S.
McGraw-Hill , 1976
Buku Referensi