APA引文

(1996). Ecology and environment in Bhutan. Library of Congress Office ; Library of Congress Photoduplication Service.

Chicago Style (17th ed.) Citation

Ecology and Environment in Bhutan. New Delhi : Washington, D.C.: Library of Congress Office ; Library of Congress Photoduplication Service, 1996.

MLA引文

Ecology and Environment in Bhutan. Library of Congress Office ; Library of Congress Photoduplication Service, 1996.