Haviland, Virginia
Scott, Foresman, 1973
Buku Teks
Sutherland, Zena
Longman, 1997
Buku Teks
Norton, Donna E.
Merril; A Bell and Howell Information, 1987
Koleksi Publik
Norton, Donna E.
Merril; A Bell and Howell Information, 1987
Buku Teks
London Routledge , 1992
Buku Teks