Gómez, M. (2009). Petrochemical promoters in catalytic cracking. ECOPETROL S.A.
Citazione stile Chigago Style (17a edizione)Gómez, Maria-Elizabeth. Petrochemical Promoters in Catalytic Cracking. ECOPETROL S.A, 2009.
Citatione MLA (9a ed.)Gómez, Maria-Elizabeth. Petrochemical Promoters in Catalytic Cracking. ECOPETROL S.A, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.