Mills, Robert
W.H. Freeman, 1994
Buku Teks
Jones, Edwin R.
Addison-Wesley , 1992
Buku Teks
John D. Cutnell [and others]
John Wiley & Sons, 2015
Buku Teks
Kitaigorodsky, A.
Foreign Language, [Date of publication not identified]
Buku Teks
Flitter, Hessel Howard
Mosby, 1976
Buku Teks