Lee, Donald W.
A Writers workbook form B / Donald W. Lee, Glenn Leggett
Prentice-Hall, 1958
Buku Teks SO
Lee, Donald W.
A Writers workbook form C / Donald W. Lee, Glenn Leggett
Prentice-Hall, 1962
Buku Teks SO
Lee, Donald W.
A Writers workbook form D / Donald W. Lee, Glenn Leggett and Joyce Valdes
Prentice-Hall, 1967
Buku Teks SO
Shepherd, James F.
RSVP the Houghton Mifflin reading, study, and vocabulary program
Houghton Miffiln, 1984
Buku Teks SO
Cunningham, Sarah
Everyday listening and speaking : intermediate
Oxford University Press, 1994
Buku Teks SO