Ross, Martin J., author
A Fawcett Crest Book, 1975
Buku Teks
Salzman, Jason
Westview Press, 1998
Buku Teks
Ross, Martin J., author
A Fawcett Crest Book, 1967
Buku Teks
Forrester, Kim, author
Mosby, 2001
Buku Teks
Forrester, Kim, author
Mosby, 2015
Buku Teks