Larson, Richard A., author
CRC Press, 1994
Buku Teks
Miller, Audrey, author
Academic Press , 1992
Buku Teks
Sykes, Peter
Longmans, 1966
Buku Referensi
Schwarzenbach, Rene P., author
A. Wiley-Interscience Publication, 1993
Buku Teks
Hammett, Louis P., author
McGraw-Hill Kogakusha, 1970
Buku Teks