GUPTA.K.K. (2014). FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO.
Čikaški stil citiranja (17. izdanje)GUPTA.K.K. FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO, 2014.
MLA način citiranja (9. izdanje)GUPTA.K.K. FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO, 2014.
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