Não informado. (1992). Agricultural Science in Finland. Agricultural Research Centre of Finland.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Agricultural Science in Finland. Jokioinen, Finlandia: Agricultural Research Centre of Finland, 1992.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Agricultural Science in Finland. Agricultural Research Centre of Finland, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.