DR GOEL. R. (2014). LEARNING ELEMENTARY CHEMISTRY WITH ONLINE SUPPORT FOR CLASS- 8. GOYAL BRO PRAKASHAN.
Čikaški stil citiranja (17. izdanje)DR GOEL. R. LEARNING ELEMENTARY CHEMISTRY WITH ONLINE SUPPORT FOR CLASS- 8. GOYAL BRO PRAKASHAN, 2014.
MLA način citiranja (9. izdanje)DR GOEL. R. LEARNING ELEMENTARY CHEMISTRY WITH ONLINE SUPPORT FOR CLASS- 8. GOYAL BRO PRAKASHAN, 2014.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.