Não informado. (1938). Journal of the South African Forestry Association. South African Forestry Association.
Čikaški stil citiranja (17. izdanje)Não informado. Journal of the South African Forestry Association. Pretoria, Africa do Sul: South African Forestry Association, 1938.
MLA način citiranja (8. izdanje)Não informado. Journal of the South African Forestry Association. South African Forestry Association, 1938.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.