YouTube. Production of Ethylene | Production of Materials | iitutor.
Citazione stile Chigago Style (17a edizione)YouTube. Production of Ethylene | Production of Materials | Iitutor.
Citatione MLA (9a ed.)YouTube. Production of Ethylene | Production of Materials | Iitutor.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.