Lee, Elisa T., author
John Wiley & Sons, 1992
Buku Teks
Munro, Barbara Hazard, author
Lippincott , 1997
Buku Teks
Walker, Helen M.
Holt, Rinehart and Winston , 1969
Buku Teks
Milton, Janet Susan, author
McGraw-Hill, 1983
Buku Teks
Milton, Janet Susan, author
McGraw-Hill , 1992
Buku Teks