Não informado. (1950). Finnish paper and timber. Central Association of Finnish Woodworking Industries.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Finnish Paper and Timber. Helsinki: Central Association of Finnish Woodworking Industries, 1950.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Finnish Paper and Timber. Central Association of Finnish Woodworking Industries, 1950.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.