GOYAL.R.P / TRIPATHI. S. P. (2011). CONCISE PHYSICS PART- 1 FOR CLASS- IX. SELINA PUBLICATION.
Cita Chicago (17th ed.)GOYAL.R.P / TRIPATHI. S. P. CONCISE PHYSICS PART- 1 FOR CLASS- IX. SELINA PUBLICATION, 2011.
Cita MLA (9th ed.)GOYAL.R.P / TRIPATHI. S. P. CONCISE PHYSICS PART- 1 FOR CLASS- IX. SELINA PUBLICATION, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.