SWARUP R. (1992). ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. NEW DELHI: MITTAL PUBLICATIONS, 1992.
MLA način citiranja (9. izdanje)SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS, 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.