edited by Martin E. Liggins, David L. Hall, James Llinas
CRC Press, 2009
Buku Referensi
Vanty Triadha Rini, author
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Dudek, Susan G., author
J.B. Lippincott, 1997
Buku Teks
Karb, Virginia Burke, author
Mosby , 1996
Buku Teks
Aston, Elaine, author
Routledge, 1999
Buku Referensi