Não informado. (1946). Fruit Varieties and Horticultural Digest. American Pomological Society.
Chicago-referens (17:e uppl.)Não informado. Fruit Varieties and Horticultural Digest. University Park, Pa: American Pomological Society, 1946.
MLA-referens (8:e uppl.)Não informado. Fruit Varieties and Horticultural Digest. American Pomological Society, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.