APA引文

(2005). Ecology and environment in Sri Lanka. Library of Congress Office ; Library of Congress Photoduplication Service.

Chicago Style (17th ed.) Citation

Ecology and Environment in Sri Lanka. New Delhi : Washington, D.C.: Library of Congress Office ; Library of Congress Photoduplication Service, 2005.

MLA引文

Ecology and Environment in Sri Lanka. Library of Congress Office ; Library of Congress Photoduplication Service, 2005.