GUPTA.K.K & MALHOTRA, S. (2010). FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 8. FRANK BROS & CO.
Čikaški stil citiranja (17. izdanje)GUPTA.K.K & MALHOTRA, STALIN. FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 8. FRANK BROS & CO, 2010.
MLA način citiranja (9. izdanje)GUPTA.K.K & MALHOTRA, STALIN. FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 8. FRANK BROS & CO, 2010.
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