Bartholomew, L. Kay
Jossey-Bass, 2011
Buku Teks
Issel, L. Michele
Jones & Bartlett Learning, 2014
Buku Teks
Brown, Brian
Open University Press, 2003
Buku Teks
Freeman, Joshua
Copernicus Healthcare, 2015
Buku Teks
edited by Eileen T. Breslen
Saunders, 2003
Buku Teks