Lua APA (7ú heag.)

FELTWELL, J. (1986). The natural history of butterflies. Facts on file pub.

Lua i Stíl Chicago (17ú heag.)

FELTWELL, John. The Natural History of Butterflies. New York: Facts on file pub, 1986.

Lua MLA (9ú heag.)

FELTWELL, John. The Natural History of Butterflies. Facts on file pub, 1986.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.