Não informado. (1951). Deciduous Fruit Grower. Deciduous Fruit Board.
Chicago-viite (17. p.)Não informado. Deciduous Fruit Grower. Cape Town, Africa do Sul: Deciduous Fruit Board, 1951.
MLA-viite (8. p.)Não informado. Deciduous Fruit Grower. Deciduous Fruit Board, 1951.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.