Kitaigorodsky, A., author
Foreign Language, [Date of publication not identified]
Buku Teks
John D. Cutnell [and others]
John Wiley & Sons, 2015
Buku Teks
Pine, Jerome, author
McGraw-Hill, 1972
Buku Teks
Flitter, Hessel Howard, author
Mosby, 1976
Buku Teks
Mills, Robert, author
W.H. Freeman, 1994
Buku Teks