Arpa, R. (2016). The relationship between crime and economic development in Sabah.
Chicago-referens (17:e uppl.)Arpa, Rohana. The Relationship Between Crime and Economic Development in Sabah. 2016.
MLA-referens (9:e uppl.)Arpa, Rohana. The Relationship Between Crime and Economic Development in Sabah. 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.