Lua APA (7ú heag.)

Gronefeld, G. (1965). Understanding animals. Heinemann.

Lua i Stíl Chicago (17ú heag.)

Gronefeld, Gerhard. Understanding Animals. London: Heinemann, 1965.

Lua MLA (8ú heag.)

Gronefeld, Gerhard. Understanding Animals. Heinemann, 1965.

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