APA aipamena

SWARUP R. (1992). ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS.

Chicago Style aipamena

SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. NEW DELHI: MITTAL PUBLICATIONS, 1992.

MLA aipamena

SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.