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
Edited by Pat Woodrum
The Haworth Press, 1989
Buku Teks