Não informado. Rhodesia Bulletin of Forestry Research. Forestry Commission.
Chicago-viite (17. p.)Não informado. Rhodesia Bulletin of Forestry Research. Salisbury, Zimbabwe: Forestry Commission.
MLA-viite (8. p.)Não informado. Rhodesia Bulletin of Forestry Research. Forestry Commission.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.