^[ruby Contents of /trunk/COPYING]. آرشیولنیب اصلی نۆسخهدن on 2017-03-20. یوْخلانیلیب2 May 2015.
^[ruby Contents of /trunk/GPL]. آرشیولنیب اصلی نۆسخهدن on 2022-03-21. یوْخلانیلیب2 May 2015.
^[ruby Contents of /trunk/BSDL]. آرشیولنیب اصلی نۆسخهدن on 2022-03-21. یوْخلانیلیب2 May 2015.
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Cooper, Peter (2009). Beginning Ruby: From Novice to Professional. Beginning from Novice to Professional (2nd ed.). Berkeley: APress. p. 101. ISBN1-4302-2363-4. To a lesser extent, Python, LISP, Eiffel, Ada, and C++ have also influenced Ruby.
^Lattner, Chris (2014-06-03). Chris Lattner's Homepage. Chris Lattner. یوْخلانیلیب2014-06-03. “The Swift language is the product of tireless effort from a team of language experts, documentation gurus, compiler optimization ninjas, and an incredibly important internal dogfooding group who provided feedback to help refine and battle-test ideas. Of course, it also greatly benefited from the experiences hard-won by many other languages in the field, drawing ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list.”