Leask, B. (2012). University of South Australia. Office for Learning and Teaching.
Chicago-referens (17:e uppl.)Leask, Betty. University of South Australia. Office for Learning and Teaching, 2012.
MLA-referens (9:e uppl.)Leask, Betty. University of South Australia. Office for Learning and Teaching, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
