Lua APA (7ú heag.)
Gardner, D., & Overcott, N. (2006). Fifty common birds of the upper Midwest. University of Iowa Press.
Lua i Stíl Chicago (17ú heag.)
Gardner, Dana, agus Nancy Overcott. Fifty Common Birds of the Upper Midwest. Iowa City: University of Iowa Press, 2006.
Lua MLA (9ú heag.)
Gardner, Dana, agus Nancy Overcott. Fifty Common Birds of the Upper Midwest. University of Iowa Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.