APA (7e ed.) Bronvermelding

GUPTA O P. (2019). Elements of Water Pollution Control Engineering (1st.). KHANNA PUBLICATION.

Chicago (17e ed.) Bronvermelding

GUPTA O P. Elements of Water Pollution Control Engineering. 1st. NEW DELHI: KHANNA PUBLICATION, 2019.

MLA (9e ed.) Bronvermelding

GUPTA O P. Elements of Water Pollution Control Engineering. 1st. KHANNA PUBLICATION, 2019.

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