http://www.gaelscoileanna.ie/assets/Bilingual-and-Immersion-Programs.pdf
https://en.wikipedia.org/wiki/Language_immersion]
http://blogs.edweek.org/edweek/global_learning/2017/10/how_to_build_a_better_language_immersion_program.html
https://www.edenpr.org/Page/2243
https://books.google.ie/books?id=lJd-27Vu66AC&pg=PT290&lpg=PT290&dq=immersion+education+in+countries+around+the+world&source=bl&ots=xQK6f9wxou&sig=kPEHjN4Epjeq_Q5-HnossSpPSWI&hl=en&sa=X&ved=0ahUKEwi_u7LVg5HZAhWIKcAKHTvUBUs4ChDoAQg6MAM#v=onepage&q=immersion%20education%20in%20countries%20around%20the%20world&f=false
http://bi-lingual.com/about_us_0151.php
https://www.aft.org/ae/fall2015/goldenberg_wagner
https://books.google.ie/books?id=IQfPBQAAQBAJ&pg=PA224&lpg=PA224&dq=immersion+education+in+countries+around+the+world&source=bl&ots=HUbnEa07u7&sig=8ljCFLyhrmsXvKAxj6DfYH3D1yg&hl=en&sa=X&ved=0ahUKEwi_u7LVg5HZAhWIKcAKHTvUBUs4ChDoAQhFMAY#v=onepage&q=immersion%20education%20in%20countries%20around%20the%20world&f=false