APA (7e ed.) Bronvermelding

MADHUBAN EDU. BOOKS. (2003). WHAT IS A BUTTERFLY? VIKAS PUBLICATION HOUSE.

Chicago (17e ed.) Bronvermelding

MADHUBAN EDU. BOOKS. WHAT IS A BUTTERFLY? NEW DELHI: VIKAS PUBLICATION HOUSE, 2003.

MLA (9e ed.) Bronvermelding

MADHUBAN EDU. BOOKS. WHAT IS A BUTTERFLY? VIKAS PUBLICATION HOUSE, 2003.