Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
Čikaški stil citiranja (17. izdanje)Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
MLA način citiranja (9. izdanje)Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
Upozorenje: Ovi citati možda nisu uvijek 100% točni.