Não informado. (2004). Proceedings of the American Society for Horticultural Science. American Society for Horticultural Science.
Chicago-Zitierstil (17. Ausg.)Não informado. Proceedings of the American Society for Horticultural Science. Alexandria, Va: American Society for Horticultural Science, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Proceedings of the American Society for Horticultural Science. American Society for Horticultural Science, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.