edited by Maggie Toy
Academy Editions, 1996
Buku Teks
edited by Richard L. Wynn [and 2 others]
Lexicomp, 2016
Buku Referensi
Copestick, Joanna, author
Page One , 1998
Buku Referensi
Emond, R.T.D., author
Wolfe medical publication, 1987
Buku Referensi
Artikel Jurnal