APA-referens (7:e uppl.)

ING. (2017). Cambridge Primary Mathematics Second Edition Workbook-4 (Second Edition.). Hodder Education.

Chicago-referens (17:e uppl.)

ING. Cambridge Primary Mathematics Second Edition Workbook-4. Second Edition. London: Hodder Education, 2017.

MLA-referens (9:e uppl.)

ING. Cambridge Primary Mathematics Second Edition Workbook-4. Second Edition. Hodder Education, 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.