Cita APA (7th ed.)

CHEMICAL WEEKLY. (2005). CHEMICAL WEEKLY BUYER'S GUIDE VOL-IV. CHEMICAL WEEKLY DATABASE P. LTD.

Cita Chicago (17th ed.)

CHEMICAL WEEKLY. CHEMICAL WEEKLY BUYER'S GUIDE VOL-IV. MUMBAI: CHEMICAL WEEKLY DATABASE P. LTD, 2005.

Cita MLA (9th ed.)

CHEMICAL WEEKLY. CHEMICAL WEEKLY BUYER'S GUIDE VOL-IV. CHEMICAL WEEKLY DATABASE P. LTD, 2005.