Unknown. (2023). Report of the Provisional Forestry Board for the year ended 30th June, 1927. Forest Research Institute.
Chicago-viite (17. p.)Unknown. Report of the Provisional Forestry Board for the Year Ended 30th June, 1927. Forest Research Institute, 2023.
MLA-viite (9. p.)Unknown. Report of the Provisional Forestry Board for the Year Ended 30th June, 1927. Forest Research Institute, 2023.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.