Nietzel, Michael T., author
Prentice-Hall, 1998
Buku Teks
Endang Sudjiati, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2006
UI - Tugas Akhir
Helen Beinart, Paul Kennedy, Susan Llewelyn, editor
BPS Blackwell, 2009
Buku Teks
Nietzel, Michael T., author
Prentice-Hall, 1987
Buku Teks
Kendall, Philip C., author
John Wiley & Sons, 1982
Buku Teks