Não informado. (1911). South African bee journal. South African Federation of Beefarmers Associations.
Citace podle Chicago (17th ed.)Não informado. South African Bee Journal. Modderfontein, Africa do Sul: South African Federation of Beefarmers Associations, 1911.
Citace podle MLA (8th ed.)Não informado. South African Bee Journal. South African Federation of Beefarmers Associations, 1911.
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