Eckersten, H. (1985). Willow growth as a function of climate, water and nitrogen. Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research.
Čikaški stil citiranja (17. izdanje)Eckersten, Henrik. Willow Growth as a Function of Climate, Water and Nitrogen. Uppsala: Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research, 1985.
MLA način citiranja (8. izdanje)Eckersten, Henrik. Willow Growth as a Function of Climate, Water and Nitrogen. Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research, 1985.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.