APA-referens (7:e uppl.)

NIMKAR SURESH L. (2001). ENVIRONMENTAL STUDIES: F Y B COM (3RD.). RELLABLE PUBLISHING HOUSE.

Chicago-referens (17:e uppl.)

NIMKAR SURESH L. ENVIRONMENTAL STUDIES: F Y B COM. 3RD. NEW DELHI: RELLABLE PUBLISHING HOUSE, 2001.

MLA-referens (9:e uppl.)

NIMKAR SURESH L. ENVIRONMENTAL STUDIES: F Y B COM. 3RD. RELLABLE PUBLISHING HOUSE, 2001.