Rujukan Pokok Jarak

  1. ↑ Traditional Malay Medicinal Plants, By Muhamad Zakaria & Mustafa Ali Mohd
  2. ↑ Phillips, Roger & Rix, Martyn (1999) Annuals and Biennials m.s. 106, Macmillan, London, ISBN 0-333-74889-1
  3. ↑ Phillips, Roger & Rix, Martyn (1999) Annuals and Biennials m.s. 106, Macmillan, London, ISBN 0-333-74889-1
  4. ↑ Brickell, Christopher (ed) The Royal Horticultural Society A-Z Encyclopedia of Garden Plants (1996) m.s. 884–5, Dorling Kindersley, London, ISBN 0-7513-0303-8
  5. ↑ Phillips, Roger & Rix, Martyn (1999) Annuals and Biennials, m.s. 106, Macmillan, London, ISBN 0-333-74889-1
  6. ↑ Brickell, Christopher (ed) The Royal Horticultural Society A-Z Encyclopaedia of Garden Plants (1996), m.s. 885, Dorling Kindersley, London, ISBN 0-7513-0303-8