Peter Daniels [and others]
Prentice-Hall, 2001
Buku Teks
Artikel Jurnal
Kipfer, Barbara Ann, author
The Philip Lief Group, 1995
Buku Referensi
Medical Journal of Indonesia, 14 (1) January March 2005: 59-63, 2005
Artikel Jurnal
editor, Patrick Griffin, Barry McGaw, Esther Care
Springer, 2012
eBooks