Catherine Casey. (2017). Cambridge Primary Mathematics Second Edition Workbook-2 (Second Edition.). Hodder Education.
Chicago-referens (17:e uppl.)Catherine Casey. Cambridge Primary Mathematics Second Edition Workbook-2. Second Edition. London: Hodder Education, 2017.
MLA-referens (9:e uppl.)Catherine Casey. Cambridge Primary Mathematics Second Edition Workbook-2. Second Edition. Hodder Education, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.