Kuther, Tara L.
Wadsworth/Cengage Learning, 2013
Buku Teks
Cynthia Franklin, Editor in Chief
NASW Press, 2016
Buku Referensi
Zhongguo dang dai shi jie yan jiu zhong xin; Zhongguo he ping fa zhan ji jin hui.
Zhong yang bian yi chu ban she, 2013
eBooks
Parry, John
Penguin Book, 1970
Buku Teks
Department of Health, education and welfare, 1964
Buku Teks