Rönnberg-Wästljung, A. C. (1996). Breeding in Salix: Genetics of quantitative characters. Swedish University of Agricultural Sciences, Dept. of Plant Breeding Research, Uppsala Genetic Center.
Lua i Stíl Chicago (17ú heag.)Rönnberg-Wästljung, Ann Christin. Breeding in Salix: Genetics of Quantitative Characters. Uppsala: Swedish University of Agricultural Sciences, Dept. of Plant Breeding Research, Uppsala Genetic Center, 1996.
Lua MLA (8ú heag.)Rönnberg-Wästljung, Ann Christin. Breeding in Salix: Genetics of Quantitative Characters. Swedish University of Agricultural Sciences, Dept. of Plant Breeding Research, Uppsala Genetic Center, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.