Chandrasegaran, Antonia, author
McGraw-Hill, 1995
Buku Teks
Grellet, Francoise, author
Cambridge University Press, 1994
Buku Referensi
Alexander, L.G., author
Longman, 1964
Buku Teks
Seal, Bernard, author
Cambridge , 1999
Buku Referensi
Satterwhite, Marilyn L., author
McGraw-Hill, 1989
Buku Teks