Não informado. (1957). Acta agriculturae scandinavica. Royal Swedish Academy of Agricultute and Forestry.
Chicago-viite (17. p.)Não informado. Acta Agriculturae Scandinavica. Stockholm: Royal Swedish Academy of Agricultute and Forestry, 1957.
MLA-viite (8. p.)Não informado. Acta Agriculturae Scandinavica. Royal Swedish Academy of Agricultute and Forestry, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.