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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.