Rujukan Anthracoceros_montani

  1. 1 2 3 BirdLife International (2020). "Anthracoceros montani". Senarai Merah Spesies Terancam IUCN. 2020: e.T22682447A178062684. doi:10.2305/IUCN.UK.2020-3.RLTS.T22682447A178062684.en. Dicapai pada 12 November 2021.
  2. ↑ "Appendices | CITES". cites.org. Dicapai pada 2022-01-14.
  3. 1 2 Anthracoceros montani factsheet at BirdBase
  4. 1 2 Sarmiento, Bong (3 October 2019). "Race to conserve few remaining Sulu hornbills on". MindaNews. Dicapai pada 4 October 2019.
  5. ↑ "Sulu Hornbill". Ebird.
  6. ↑ Allen, Desmond (2020). Birds of the Philippines. Barcelona: Lynx and Birdlife International Field Guides. m/s. 200–201.

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