Stein, J. Stewart, author
John Wiley & Sons, 1993
Buku Referensi
Civitello, Andrew M., author
McGraw-Hill, 1994
Buku Teks
Wulansari Khairunisa, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Skripsi (Membership)
Cretu, Ovidiu, author
John Wiley & Sons, 2011
Buku Teks
edited by Kathleen A. Buckley and Nancy W. Kulb
Williams & Wilkins , 1993
Buku Teks