Boxill, Roger, author
Macmillan, 1994
Buku Teks
F. Gary Cunningham, Norman F. Gant, Kenneth J. Leveno, Larry C. Gilstrap III, John C. Hauth, Katharine D. Wenstrom, editor
McGraw-Hill, 2001
Buku Referensi
Nadia Farhanah Syafhan, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2009
UI - Tesis (Open)
Irma Pereira, Tracy I. George, Daniel A. Arber, editors
Wolters Kluwer, 2012
Buku Teks
Williams, Bill
John Wiley & Sons, 1978
Buku Teks