Companion, Audrey L.
McGraw-Hill, 1979
Buku Teks
Scudder, Paul H.
John Wiley & Sons, 1992
Buku Teks
Windawi, Hassan
John Wiley & Sons, 1982
Buku Teks
Adi Ardiantomo, author
2001
UI - Skripsi (Membership)
Sanderson, R.T., author
Academic Press , 1983
Buku Teks