Rujukan Upupa marginata

  1. 1 2 BirdLife International (2016). "Upupa marginata". Senarai Merah Spesies Terancam IUCN. 2016: e.T22729402A95014181. doi:10.2305/IUCN.UK.2016-3.RLTS.T22729402A95014181.en. Dicapai pada 15 November 2021.
  2. ↑ Kristin, A (2001), "Family Upupidae (Hoopoes)", dalam Josep, del Hoyo; Andrew, Elliott; Sargatal, Jordi (penyunting), Handbook of the Birds of the World. Volume 6, Mousebirds to Hornbills, Barcelona: Lynx Edicions, m/s. 396–411, ISBN 84-87334-30-X
  3. 1 2 Del Hoyo, J.; Collar, N.; Kirwan, G.M. (2018). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo (penyunting). "Madagascar Hoopoe (Upupa marginata)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Dicapai pada 19 April 2020.
  4. 1 2 3 4 Safford, Roger; Hawkins, Frank (2013). The Birds of Africa: Volume VIII: The Malagasy Region: Madagascar, Seychelles, Comoros, Mascarenes. A&C Black. m/s. 631–633. ISBN 978-0-7136-6532-1.