Perry, Dorothy A.
Saunders, 2014
Buku Teks SO
Gambrill, Eileen
John Wiley & Sons, 2012
Buku Teks
Al-Faraje, Louie
Quintessence Publishing Co, Inc., 2013
Buku Teks
Michael G Newman, Henry H Takei, Perry R Klokkevold, Fermin A Carranza, editors
MO Saunders Elsevier, 2015
Buku Teks SO
edited by Jan Lindhe, Niklaus P. Lang
Wiley Blackwell, 2015
Buku Teks SO