Ministry of natural resources jf the Russian federation & State forest service. Russian forests. 2003: научное издание.
Chicago-viite (17. p.)Ministry of natural resources jf the Russian federation ja State forest service. Russian Forests. 2003: научное издание.
MLA-viite (9. p.)Ministry of natural resources jf the Russian federation ja State forest service. Russian Forests. 2003: научное издание.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.