Elliott John M.; Joyce I. Thomas & Chua
Yee Sian (June 2003) Child Sexual Abuse in Singapore: Professional and Public Perceptions. Singapore
Children’s Society Research Monograph No. 5 [http://www.childrensociety.org.sg/doc/Monograph_vol5.pdf]
Janssen,
D. F., Growing Up Sexually. Volume
I. World Reference Atlas. 0.2 ed.
2004. Berlin: Magnus Hirschfeld Archive for Sexology