Lua APA (7ú heag.)
Harrison, D. L. (1978). The circus is in town: A counting book. Western publishing.
Lua i Stíl Chicago (17ú heag.)
Harrison, David L. The Circus Is in Town: A Counting Book. New York: Western publishing, 1978.
Lua MLA (9ú heag.)
Harrison, David L. The Circus Is in Town: A Counting Book. Western publishing, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.