Dillon, Patricia M., author
F.A Davis Company, 2003
Buku Teks
Corbett, Jane Vincent
Appletton & lange , 1982
Buku Teks
Watson, Juanita, author
Davis, 1995
Buku Teks
Lamb, Jane Onstad, author
Brady, 1984
Buku Teks
Corbett, Jane Vincent, author
Appleton & Lange, 1992
Buku Teks