Unknown. (2023). Golden Jubilee Souvenir, 1912-1962. Forest Research Institute.
Chicago Style aipamenaUnknown. Golden Jubilee Souvenir, 1912-1962. Forest Research Institute, 2023.
MLA aipamenaUnknown. Golden Jubilee Souvenir, 1912-1962. Forest Research Institute, 2023.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.