Não informado. (1961). Forestry in South Africa. Department of Forestry.
Style de citation Chicago (17e éd.)Não informado. Forestry in South Africa. Pretoria, Africa do Sul: Department of Forestry, 1961.
Style de citation MLA (8e éd.)Não informado. Forestry in South Africa. Department of Forestry, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.