DR KULSHRESTHA, H. &. D. T. (2013). FRANK MODERN CERTIFICATE CHEMISTRY WORKBOOK PART- I FOR CLASS- 9 (2015). FRANK BROS & CO.
Chicago-viite (17. p.)DR KULSHRESTHA, HEMANT & DR TANEJA. FRANK MODERN CERTIFICATE CHEMISTRY WORKBOOK PART- I FOR CLASS- 9 (2015). FRANK BROS & CO, 2013.
MLA-viite (9. p.)DR KULSHRESTHA, HEMANT & DR TANEJA. FRANK MODERN CERTIFICATE CHEMISTRY WORKBOOK PART- I FOR CLASS- 9 (2015). FRANK BROS & CO, 2013.
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