Não informado. (1953). Extracts from the proceedings of the Royal Horticultural Society. Royal Horticultural Society.
Chicago-Zitierstil (17. Ausg.)Não informado. Extracts from the Proceedings of the Royal Horticultural Society. London: Royal Horticultural Society, 1953.
MLA-Zitierstil (8. Ausg.)Não informado. Extracts from the Proceedings of the Royal Horticultural Society. Royal Horticultural Society, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.