Rujukan Petiol (botani)

  1. ↑ Beentje, H. (2010). The Kew plant glossary. London: Kew Publishing. ISBN 9781842464229.
  2. 1 2 Mauseth, James D (2003). Botany: An Introduction to Plant Biology. Jones & Bartlett Learning. ISBN 0-7637-2134-4.
  3. 1 2 Stace, C. A. (2010). New Flora of the British Isles (ed. Third). Cambridge, U.K.: Cambridge University Press. ISBN 9780521707725.

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