edited by Jaime Klapp, Anne Cros, Oscar Velasco Fuentes, Catalina Stern, Mario Alberto Rodriguez Meza
Springer, 2012
eBooks
edited by Lynn Videka-Sherman and William J. Reid
NASW Press, 1990
Buku Teks
editor; Bharat B. Aggarwal, Bokyung Sung, Subash Chandra Gupta
Springer, 2014
Buku Teks SO
Townsend, John C.
McGraw-Hill , 1953
Buku Teks SO
edited by Shane R. Thye, Edward J. Lawyer
Elsevier, 2006
Buku Teks SO