APA (7e ed.) Bronvermelding

RATNA SAGAR. (2013). NUMBER MAGIC COMPANION A COMPLETE RESOURCE FOR TEACHERS- 5. RATNA SAGAR.

Chicago (17e ed.) Bronvermelding

RATNA SAGAR. NUMBER MAGIC COMPANION A COMPLETE RESOURCE FOR TEACHERS- 5. RATNA SAGAR, 2013.

MLA (9e ed.) Bronvermelding

RATNA SAGAR. NUMBER MAGIC COMPANION A COMPLETE RESOURCE FOR TEACHERS- 5. RATNA SAGAR, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.