Bowyer, Patricia, author
Elsevier/Mosby, 2009
Buku Teks
Armstrong, Micahel
Kogan Page, 2015
Buku Teks
edited by Betty J. Ackley, Gail B. Ladwig
Mosby Elsevier, 2011
Buku Referensi
Sikich, Geary W., author
McGraw-Hill, 1996
Buku Referensi
Bache, Johnm author
Mosby, 2003
Buku Referensi