APA (7e ed.) Bronvermelding

SOMAYAJULU, M. (2010). MY BOOK OF SUBTRACTION (1st.). SCHOLARS HUB.

Chicago (17e ed.) Bronvermelding

SOMAYAJULU, MRIDULA. MY BOOK OF SUBTRACTION. 1st. NEW DELHI: SCHOLARS HUB, 2010.

MLA (9e ed.) Bronvermelding

SOMAYAJULU, MRIDULA. MY BOOK OF SUBTRACTION. 1st. SCHOLARS HUB, 2010.