Bibliografia

Principal

  • Rees, A.R. (1992) Ornamental Bulbs, Corms and Tubers. CAB International, null
  • Armitage, Allan M. (1995) Speciality Cut Flowers: The Production of Annuals, Perennials, Bulbs and Woody Plants for Fresh and Dried Cut Flowers. Portland, Timber Press, null
  • Armitage, Allan M. (1994) Ornamental Bedding Plants. CAB International, null
  • Brickel, C. (ed.) (2002) The Royal Horticultural Society Encyclopedia of Gardening. London, Dorling Kinsersley, null

Secundária

  • Brickell C. & D. Joyce. (2003) The Royal Horticultural Society: Pruning and Training. London, Dorling Kindersley, null
  • Dirr M. A. (1997) Dirr's Hardy Trees and Shrubs: An Illustrated Encyclopedia. Portland, USA,Timber Press, null
  • Brown G. E. (1995) The Pruning of Trees, Shrubs and Conifers. Portland, USA, Timber Press, null
  • Larson, R.A. (ed.) (1992) Introduction to Floriculture, New York, Academic Press, null