Kirkwood, J. K. (1981). Bioenergetics and growth in the Kestrel (Falco Tinnunculus). University of Bristol.
Lua i Stíl Chicago (17ú heag.)Kirkwood, James K. Bioenergetics and Growth in the Kestrel (Falco Tinnunculus). England: University of Bristol, 1981.
Lua MLA (8ú heag.)Kirkwood, James K. Bioenergetics and Growth in the Kestrel (Falco Tinnunculus). University of Bristol, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.