Cita APA (7th ed.)

RAO, C. S. (1991). ENVIROMENTAL POLLUTION CONTROL ENGG. NEW AGE (I) LTD.

Cita Chicago (17th ed.)

RAO, C S. ENVIROMENTAL POLLUTION CONTROL ENGG. NEW DELHI: NEW AGE (I) LTD, 1991.

Cita MLA (9th ed.)

RAO, C S. ENVIROMENTAL POLLUTION CONTROL ENGG. NEW AGE (I) LTD, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.