Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.