Rujukan Belatuk gajah

  1. BirdLife International (2012). "Dryocopus javensis". Senarai Merah Spesies Terancam IUCN Versi 2013.2. Kesatuan Pemuliharaan Alam Sekitar Antarabangsa. Dicapai pada 26 November 2013.CS1 maint: ref=harv (link)
  2. Ali,S (1951). "Discovery of the so-named 'Malabar' Black Woodpecker [Dryocopus javensis hodgsoni (Jerdon)] in Bastar (East Madhya Pradesh)". J. Bombay Nat. Hist. Soc. 49 (4): 787–788.
  3. Blanford, WT (1895). Fauna of British India. Birds. Volume 3. Taylor and Francis, London. m/s. 72–73.
  4. Morris, RC (1939). "On the occurrence of the Banded Crake (Rallus e. amuroptera) and the Malabar Woodpecker (Macropicus j. hodgsoni) in the Billigirirangan Hills, S. India". J. Bombay Nat. Hist. Soc. 40 (4): 763.
  5. Ali S & SD Ripley (1983). Handbook of the birds of India and Pakistan. Volume 4 (ed. 2). Oxford University Press. m/s. 208–210.