Não informado. (1950). Finnish paper and timber. Central Association of Finnish Woodworking Industries.
Chicago-referens (17:e uppl.)Não informado. Finnish Paper and Timber. Helsinki: Central Association of Finnish Woodworking Industries, 1950.
MLA-referens (8:e uppl.)Não informado. Finnish Paper and Timber. Central Association of Finnish Woodworking Industries, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.