อ้างอิง ของ Nepenthes_sumatrana


  1. 1 2 3 4 5 6 7 8 Clarke, C.M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu.
  2. 1 2 3 McPherson, S.R. 2009. Pitcher Plants of the Old World. Redfern Natural History Productions Ltd., Poole.
  3. ↑ Hopkins, M., R. Maulder & B.[R.] Salmon 1990. A real nice trip to Southeast Asia.PDF (1.72 MiB) Carnivorous Plant Newsletter 19(1–2): 19–28.

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