Landman, W. (1999). The complete encyclopedia of butterflies: Describes the development and life cycle of butterflies from around the world. Grange Books.
Lua i Stíl Chicago (17ú heag.)Landman, Wijbren. The Complete Encyclopedia of Butterflies: Describes the Development and Life Cycle of Butterflies from Around the World. Kent: Grange Books, 1999.
Lua MLA (9ú heag.)Landman, Wijbren. The Complete Encyclopedia of Butterflies: Describes the Development and Life Cycle of Butterflies from Around the World. Grange Books, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.