APL (Catalan Wikipedia)

McIntyre, Donald B. «Language as an Intellectual Tool: From Hieroglyphics to APL». IBM Systems Journal, 30, 4, 1991, p. 554-581. Arxivat de l'original el 4 de març 2016. DOI: 10.1147/sj.304.0554 [Consulta: 9 gener 2015].
Bergquist, Gary A. «The future of APL in the insurance world». ACM SIGAPL APL Quote Quad [New York, N.Y.], 30, 1, 1999, p. 16–21. DOI: 10.1145/347194.347203. ISSN: 0163-6006.

golang.org (Global: low place; Catalan: low place)

talks.golang.org

Pike, Rob. «Hello Gophers», 24-04-2014. [Consulta: 11 març 2016].

ibm.com (Global: 1,369^th place; Catalan: 775^th place)

domino.research.ibm.com

McIntyre, Donald B. «Language as an Intellectual Tool: From Hieroglyphics to APL». IBM Systems Journal, 30, 4, 1991, p. 554-581. Arxivat de l'original el 4 de març 2016. DOI: 10.1147/sj.304.0554 [Consulta: 9 gener 2015].

jsoftware.com (Global: low place; Catalan: low place)

«A Bibliography of APL and J». Jsoftware.com. [Consulta: 3 febrer 2010].
Iverson K.E., "Notation as a Tool of Thought", Communications of the ACM, 23: 444-465 (August 1980).

kx.com (Global: low place; Catalan: low place)

«Kx Systems — An Interview with Arthur Whitney — Jan 2004». Kx.com, 04-01-2004. Arxivat de l'original el 2009-04-04. [Consulta: 3 febrer 2010].

mathworks.com (Global: low place; Catalan: 4,363^rd place)

«The Growth of MatLab — Cleve Moler» (PDF). Arxivat de l'original el 2009-04-11. [Consulta: 3 febrer 2010].

microapl.co.uk (Global: low place; Catalan: low place)

«Operators». MicroAPL. [Consulta: 12 gener 2015].
«Primitive Functions». [Consulta: 1 gener 2015].
«The Workspace». [Consulta: 1 gener 2015].
«Entering APL Symbols». [Consulta: 1 gener 2015].
«APL Primitives». MicroAPL. [Consulta: 11 gener 2015].

nars2000.org (Global: low place; Catalan: low place)

wiki.nars2000.org

«APL Font - Extra APL Glyphs». NARS2000. [Consulta: 11 gener 2015].

nial.com (Global: low place; Catalan: low place)

«About Q'Nial». Nial.com. Arxivat de l'original el 2011-08-23. [Consulta: 3 febrer 2010].

nyu.edu (Global: 1,362^nd place; Catalan: 1,362^nd place)

cs.nyu.edu

Rubinsteyn, Alex. New York University. Runtime Compilation of Array-Oriented Python Programs (tesi doctoral), 2014, p. 30. «APL directly inspired Speakeasy»

sigapl.org (Global: low place; Catalan: low place)

«Systematically Random Numbers». SIGAPL. [Consulta: 11 gener 2015].

softwarepreservation.org (Global: low place; Catalan: low place)

Iverson, Kenneth E. A Programming Language. Wiley, 1962. ISBN 0-471-43014-5.

uwaterloo.ca (Global: 3,649^th place; Catalan: 2,646^th place)

math.uwaterloo.ca

Dickey, Lee, A list of APL Transliteration Schemes Arxivat 2006-09-29 a Wayback Machine., 1993

vector.org.uk (Global: low place; Catalan: low place)

«APLX version 4 – from the viewpoint of an experimental physicist. Vector 23.3». Vector.org.uk, 20-05-2008. Arxivat de l'original el 2010-01-25. [Consulta: 3 febrer 2010].

web.archive.org (Global: 1^st place; Catalan: 1^st place)

«Kx Systems — An Interview with Arthur Whitney — Jan 2004». Kx.com, 04-01-2004. Arxivat de l'original el 2009-04-04. [Consulta: 3 febrer 2010].
«The Growth of MatLab — Cleve Moler» (PDF). Arxivat de l'original el 2009-04-11. [Consulta: 3 febrer 2010].
McIntyre, Donald B. «Language as an Intellectual Tool: From Hieroglyphics to APL». IBM Systems Journal, 30, 4, 1991, p. 554-581. Arxivat de l'original el 4 de març 2016. DOI: 10.1147/sj.304.0554 [Consulta: 9 gener 2015].
«ACM Award Citation – John Backus. 1977». Awards.acm.org, 03-12-1924. Arxivat de l'original el 2008-02-12. [Consulta: 3 febrer 2010].
«APLX version 4 – from the viewpoint of an experimental physicist. Vector 23.3». Vector.org.uk, 20-05-2008. Arxivat de l'original el 2010-01-25. [Consulta: 3 febrer 2010].
«example». Catpad.net. Arxivat de l'original el 2013-07-08. [Consulta: 17 juny 2013].
Dickey, Lee, A list of APL Transliteration Schemes Arxivat 2006-09-29 a Wayback Machine., 1993
«Notes on the source code». Arxivat de l'original el 2009-03-30. [Consulta: 2009].

webcitation.org (Global: 25^th place; Catalan: 69^th place)

«About Q'Nial». Nial.com. Arxivat de l'original el 2011-08-23. [Consulta: 3 febrer 2010].

wetmachine.com (Global: low place; Catalan: low place)

«Notes on the source code». Arxivat de l'original el 2009-03-30. [Consulta: 2009].

wolfram.com (Global: 1,091^st place; Catalan: 336^th place)

«Wolfram Language Q&A». Wolfram Research. [Consulta: 7 desembre 2016].

worldcat.org (Global: 4^th place; Catalan: 6^th place)

Bergquist, Gary A. «The future of APL in the insurance world». ACM SIGAPL APL Quote Quad [New York, N.Y.], 30, 1, 1999, p. 16–21. DOI: 10.1145/347194.347203. ISSN: 0163-6006.

youtube.com (Global: 13^th place; Catalan: 30^th place)

'Hello World,' exemple de sessió d'usuari a YouTube: «Producing a standalone 'Hello World' program in APL». Dyalog-APLtrainer. [Consulta: 11 gener 2015].

APL (Catalan Wikipedia)

acm.org (Global: 1,200th place; Catalan: 882nd place)

awards.acm.org

aplwiki.com (Global: low place; Catalan: low place)

catpad.net (Global: low place; Catalan: low place)

doi.org (Global: 2nd place; Catalan: 4th place)

dx.doi.org

golang.org (Global: low place; Catalan: low place)

talks.golang.org

ibm.com (Global: 1,369th place; Catalan: 775th place)

domino.research.ibm.com

jsoftware.com (Global: low place; Catalan: low place)

kx.com (Global: low place; Catalan: low place)

mathworks.com (Global: low place; Catalan: 4,363rd place)

microapl.co.uk (Global: low place; Catalan: low place)

nars2000.org (Global: low place; Catalan: low place)

wiki.nars2000.org

nial.com (Global: low place; Catalan: low place)

nyu.edu (Global: 1,362nd place; Catalan: 1,362nd place)

cs.nyu.edu

sigapl.org (Global: low place; Catalan: low place)

softwarepreservation.org (Global: low place; Catalan: low place)

uwaterloo.ca (Global: 3,649th place; Catalan: 2,646th place)

math.uwaterloo.ca

vector.org.uk (Global: low place; Catalan: low place)

web.archive.org (Global: 1st place; Catalan: 1st place)

webcitation.org (Global: 25th place; Catalan: 69th place)

wetmachine.com (Global: low place; Catalan: low place)

wolfram.com (Global: 1,091st place; Catalan: 336th place)

worldcat.org (Global: 4th place; Catalan: 6th place)

youtube.com (Global: 13th place; Catalan: 30th place)

acm.org (Global: 1,200^th place; Catalan: 882^nd place)

doi.org (Global: 2^nd place; Catalan: 4^th place)

ibm.com (Global: 1,369^th place; Catalan: 775^th place)

mathworks.com (Global: low place; Catalan: 4,363^rd place)

nyu.edu (Global: 1,362^nd place; Catalan: 1,362^nd place)

uwaterloo.ca (Global: 3,649^th place; Catalan: 2,646^th place)

web.archive.org (Global: 1^st place; Catalan: 1^st place)

webcitation.org (Global: 25^th place; Catalan: 69^th place)

wolfram.com (Global: 1,091^st place; Catalan: 336^th place)

worldcat.org (Global: 4^th place; Catalan: 6^th place)

youtube.com (Global: 13^th place; Catalan: 30^th place)