Rujukan Emosi_pada_haiwan

  1. ↑ Panksepp, J. (1982). "Toward a general psychobiological theory of emotions". Behavioral and Brain Sciences. 5 (3): 407–422. doi:10.1017/S0140525X00012759. 
  2. ↑ "Emotions help animals to make choices (keluaran akhbar)". Universiti Bristol. 2010. Dicapai 26 Oktober 2013. 
  3. ↑ Jacky Turner and Joyce D'Silva, penyunting (2006). Animals, Ethics and Trade: The Challenge of Animal Sentience. Earthscan. ISBN 9781844072545. Dicapai 26 Oktober 2013. 
  4. ↑ Wong, K. (2013). "How to identify grief in animals". Scientific American. Dicapai 26 Oktober 2013. 
  5. ↑
  6. ↑ Douglas, C.; Bateson, M.last2=Bateson; Walsh, C.; Béduéc, A.; Edwards, S.A. (2012). "Environmental enrichment induces optimistic cognitive biases in pigs". Applied Animal Behaviour Science. 139 (1–2): 65–73. doi:10.1016/j.applanim.2012.02.018. 
  7. ↑
  8. ↑ Fox, E. (2008). Emotion Science: An Integration of Cognitive and Neuroscientific Approaches. Palgrave MacMillan. m/s. 16–17. ISBN 978-0-230-00517-4. 
  9. ↑ Ekman, P. (1992). "An argument for basic emotions". Cognition and Emotion. 6 (3): 169–200. doi:10.1080/02699939208411068. 
  10. ↑ Handel, S. "Classification of Emotions". Dicapai 30 April 2012. 
  11. ↑
  12. 1 2 D.S. Mills dan J.N. Marchant-Forde, penyunting (2010). The Encyclopedia of Applied Animal Behaviour and Welfare. CABI. ISBN 0851997244. 
  13. ↑ Morgan, C.L. (1903). An Introduction to Comparative Psychology (edisi ke-2). W. Scott, London. m/s. 59.