Citazione Stile APA (7a Edizione)

ELANGOVAN R. (1997). UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW-AGE INTERNATIONAL.

Citazione stile Chigago Style (17a edizione)

ELANGOVAN R. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW DELHI: NEW-AGE INTERNATIONAL, 1997.

Citatione MLA (9a ed.)

ELANGOVAN R. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW-AGE INTERNATIONAL, 1997.