APA način citiranja (7. izdanje)

BHARGAVA GOPAL. (1992). POLLUTION AND ITS CONTROL. MITTAL PUBLICATIONS.

Čikaški stil citiranja (17. izdanje)

BHARGAVA GOPAL. POLLUTION AND ITS CONTROL. NEW DELHI: MITTAL PUBLICATIONS, 1992.

MLA način citiranja (9. izdanje)

BHARGAVA GOPAL. POLLUTION AND ITS CONTROL. MITTAL PUBLICATIONS, 1992.