Rujukan Air mata

  1. ↑ "Definition of TEAR". www.merriam-webster.com. Dicapai pada 2019-08-04.
  2. ↑ "Animals With No Tear Ducts". animals.mom.me. Dicapai pada 2019-08-04.
  3. ↑ Farandos, NM; Yetisen, AK; Monteiro, MJ; Lowe, CR; Yun, SH (2014). "Contact Lens Sensors in Ocular Diagnostics". Advanced Healthcare Materials. 4 (6): 792–810. doi:10.1002/adhm.201400504. PMID 25400274.
  4. 1 2 "Why do we cry? The scientific reasons behind sobbing". The Independent. 2014-09-18. Dicapai pada 2019-08-04.
  5. ↑ "All About Emotional Tears". American Academy of Ophthalmology. 2017-02-28. Dicapai pada 2019-08-04.
  6. ↑ Frey, W. H.; DeSota-Johnson, D.; Hoffman, C.; McCall, J. T. (October 1981). "Effect of stimulus on the chemical composition of human tears". American Journal of Ophthalmology. 92 (4): 559–567. doi:10.1016/0002-9394(81)90651-6. ISSN 0002-9394. PMID 7294117.
  7. 1 2 3 "eye, human."Encyclopædia Britannica from Encyclopædia Britannica 2006 Ultimate Reference Suite DVD 2009
  8. ↑ Farandos, NM; Yetisen, AK; Monteiro, MJ; Lowe, CR; Yun, SH (2014). "Contact Lens Sensors in Ocular Diagnostics". Advanced Healthcare Materials. 4 (6): 792–810. doi:10.1002/adhm.201400504. PMID 25400274.