Berg, Å. (1991). Ecology of curlews (Numenius arquata) and lapwings (Vanellus vanellus) on farmland. Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology.
Lua i Stíl Chicago (17ú heag.)Berg, Åke. Ecology of Curlews (Numenius Arquata) and Lapwings (Vanellus Vanellus) on Farmland. Uppsala, Sweden: Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology, 1991.
Lua MLA (8ú heag.)Berg, Åke. Ecology of Curlews (Numenius Arquata) and Lapwings (Vanellus Vanellus) on Farmland. Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.