Não informado. (1938). Journal of the South African Forestry Association. South African Forestry Association.
Chicago-viite (17. p.)Não informado. Journal of the South African Forestry Association. Pretoria, Africa do Sul: South African Forestry Association, 1938.
MLA-viite (8. p.)Não informado. Journal of the South African Forestry Association. South African Forestry Association, 1938.
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