NIMKAR SURESH L. (2001). ENVIRONMENTAL STUDIES: F Y B COM (3RD.). RELLABLE PUBLISHING HOUSE.
Cita Chicago (17th ed.)NIMKAR SURESH L. ENVIRONMENTAL STUDIES: F Y B COM. 3RD. NEW DELHI: RELLABLE PUBLISHING HOUSE, 2001.
Cita MLA (9th ed.)NIMKAR SURESH L. ENVIRONMENTAL STUDIES: F Y B COM. 3RD. RELLABLE PUBLISHING HOUSE, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.