APA Alıntı

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

Chicago Stili Alıntı

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

MLA Alıntı

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

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