Gómez, M. (2009). Petrochemical promoters in catalytic cracking. ECOPETROL S.A.
Cita Chicago Style (17a ed.)Gómez, Maria-Elizabeth. Petrochemical Promoters in Catalytic Cracking. ECOPETROL S.A, 2009.
Cita MLA (9a ed.)Gómez, Maria-Elizabeth. Petrochemical Promoters in Catalytic Cracking. ECOPETROL S.A, 2009.
Precaución: Estas citas no son 100% exactas.