Thomlinson, Ralph
Random House, 1965
Buku Teks
Thomlinson, Ralph
California State University, 1976
Buku Teks
Thomlinson, Ralph, author
Random House , 1976
Buku Teks
Nam, Charles B.
Hoghton Mifflin., 1976
Buku Teks
Hartley, Shirley Foster, author
Prentice-Hall, 1972
Buku Teks