Van Vlack, Lawrence H.
Addison-Wesley, 1975
Buku Teks
Van Vlack, Lawrence H.
Addison-Wesley, 1980
Buku Teks SO
Van Vlack, Lawrence H.
Addison-Wesley, 1959
Buku Teks SO
Van Vlack, Lawrence H.
Addison-Wesley, 1989
Buku Teks SO
by J.C. Anderson ...[and others]
The English Language , 1982
Buku Teks SO