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JPpatent S5719857A,Kanatsu, Jiyun,"Data compression storage device",published 2 February 1982, assigned to NEC
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S. Chin; D. Iverson; O. Campesato; P. Trani (2011). Pro Android Flash(PDF). New York: Apress. p.350. ISBN9781430232315. Archived(PDF) from the original on 2 April 2015. Retrieved 11 March 2015.
"GIF". The American Heritage Abbreviations Dictionary, Third Edition. Houghton Mifflin Company. 2005. Archived from the original on 3 September 2011. Retrieved 15 April 2007.
"GIF". The American Heritage Abbreviations Dictionary, Third Edition. Houghton Mifflin Company. 2005. Archived from the original on 3 September 2011. Retrieved 15 April 2007.
"GIF". The Cambridge Dictionary of American English. Cambridge University Press. Archived from the original on 27 February 2014. Retrieved 19 February 2014.
S. Chin; D. Iverson; O. Campesato; P. Trani (2011). Pro Android Flash(PDF). New York: Apress. p.350. ISBN9781430232315. Archived(PDF) from the original on 2 April 2015. Retrieved 11 March 2015.