Rujukan Birutė_Galdikas

  1. ↑ "Dr. Biruté Mary Galdikas – Orangutan Foundation International". Orangutan Foundation International (dalam bahasa Inggeris). Dicapai 2018-04-09. 
  2. 1 2 3 4 Galdikas-Brindamour, Birutė (October 1975). "Orangutans, Indonesia's "People of the Forest"". National Geographic Magazine. 148 (4). m/s. 444–473. 
  3. 1 2 de Waal, Frans (January 1995). "The Loneliest of Apes". The New York Times. 
  4. ↑ Pfeiff, Margo (1993). "Mother to the Apes". Reader's Digest. 143 (855): 127–132. 
  5. ↑ Gallardo, Evelyn (1993). Among the Orangutans: The Birute Galdikas Story. Chronicle Books. m/s. 8–9. ISBN 0811804089. Dicapai August 14, 2015. 
  6. ↑ Gallardo, Evelyn (1993). Among the Orangutans: The Birute Galdikas Story. Chronicle Books. m/s. 9–10. ISBN 0811804089. Dicapai August 14, 2015. 
  7. ↑ "The Vanishing Man of the Forest". Galdikas, Birute Mary, The New York Times, January 6, 2007. Dicapai 2013-12-14. 
  8. ↑ Robin McDowell (2009-01-18). "Palm oil frenzy threatens to wipe out orangutans". Associated Press. Diarkibkan daripada asal pada January 20, 2009. Dicapai 2009-01-18. 
  9. ↑ "News from academe: Monkey Business II". Slate. June 20, 1998. Dicapai 2014-01-19. 
  10. ↑ Hammer, Joshua (1 June 1998). "A typhoon in a rain-forest Eden". Newsweek. 131 (22). m/s. 58. 
  11. ↑ Galdikas, Birute (29 June 1998). "Galdikas responds". Newsweek. 131 (26). m/s. 17.