Attridge, Catherina M., author
McGraw-Hill, 1983
Buku Teks
edited by Victor Lazzaro
Prentice-Hall, 1968
Buku Referensi
Lovecy, Ian, author
The Library Association 1984, 1984
Buku Teks
Springhouse , 1999
Buku Teks
Rice, Robyn, author
Mosby, 1999
Buku Referensi