Infante, Mary Sue, author
John Wiley & Sons, 1985
Buku Teks
Lamb, Jane Onstad, author
Brady, 1984
Buku Teks
Levinson, Samuel A., author
Lea & Febiger, 1962
Buku Teks
Corbett, Jane Vincent
Appletton & lange , 1982
Buku Teks
Estridge, Barbara H., author
Delmar Cengage Learning, 2012
Buku Teks