Gaya APA

G, B. (2005). Catalysis in petroleum and petrochemical industries (2005). Guwahati,India: Narosa Publhising House.

Gaya MLA

G, Bhattachayya,Kisna. "Catalysis in petroleum and petrochemical industries". 2005 Guwahati,India: Narosa Publhising House, 2005. Text.