Gay, T. (1992). Nature guides: Common butterflies of india.
Chicago Style aipamenaGay, Thomas. Nature Guides: Common Butterflies of India. World Wide Fund for Nature, India, 1992.
MLA aipamenaGay, Thomas. Nature Guides: Common Butterflies of India. 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.