APA Citatie

National Council of Educational Research and Training. (2017). NCERT SCIENCE: TEXT BOOK for Class IX.

Chicago Style citaat

National Council of Educational Research and Training. NCERT SCIENCE: TEXT BOOK for Class IX. 2017.

MLA citatie

National Council of Educational Research and Training. NCERT SCIENCE: TEXT BOOK for Class IX. 2017.

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