Urquhart, Leonard Church, editor
McGraw-Hill , 1950
Buku Teks
editor-in-chief, Leonard Church Urquhart
McGraw-Hill, 1959
Buku Referensi
W.F. Chen, editor-in-chief
CRC Press, 2000
Buku Referensi
Vazirani, V.N., author
Khana Publishers, 1980
Buku Referensi
Tyler G. Hicks, editor ; S. David Hicks, coordinating editor
McGraw-Hill , 2007
Buku Referensi