APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.