Não informado. (1967). Home garden and flower grower. Flower Growing Publishing.
Chicago-viite (17. p.)Não informado. Home Garden and Flower Grower. New York: Flower Growing Publishing, 1967.
MLA-viite (8. p.)Não informado. Home Garden and Flower Grower. Flower Growing Publishing, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.