Berman, Audrey, author
Pearson, 2012
Buku Teks
Berman, Audrey, author
Pearson, 2014
Buku Teks
Berman, Audrey, author
Pearson, 2016
Buku Teks
edited by Jeyanth Asheervath and Dorothy R. Blevins
Appleton-Century-Crofts, 1986.
Buku Referensi
Potter, Patricia A., author
Mosby, 1997
Buku Teks