Software proprietário (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Software proprietário" in Portuguese language version.

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Eric S. Raymond (29 de dezembro de 2003). «Software proprietário deve ser destinguido de software comercial». Consultado em 5 de agosto de 2012

«Categorias de Softwares Livres e Não-Livres - Projeto GNU - Free Software Foundation (FSF)» 🔗. Projeto GNU. Consultado em 19 de julho de 2012

Stallman, Richard (17 de setembro de 2009). «Re: GCC and the Visual Basic programmer....». gcc@gcc.gnu.org (Lista de grupo de correio). Consultado em 24 de setembro de 2009

"http://www-03.ibm.com/ibm/history/history/decade_1960.html". IBM. Retrieved 2010-11-12. "Rather than offer hardware, services and software exclusively in packages, marketers "unbundled" the components and offered them for sale individually. Unbundling gave birth to the multibillion-dollar software and services industries, of which IBM is today a world leader"

"History of Leasing" Arquivado em 11 de abril de 2008, no Wayback Machine.. leasegenie.com. Retrieved 2010-11-12. "In the 1960s, IBM and Xerox recognized that substantial sums could be made from the financing of their equipment. The leasing of computer and office equipment that occurred then was a significant contribution to leasings growth, since many companies were exposed to equipment leasing for the first time when they leased such equipment"^{[ligação inativa]}

Russell Nelson (14 de março de 2008). «Who speaks for the Open Source Community?». Consultado em 11 de junho de 2008. When we, the open source community, want to make an agreement with the proprietary software vendors, who do we talk to?
Russell Nelson (24 de março de 2008). «Patent owners and Open Source». Consultado em 11 de junho de 2009. The purpose of closed-source software is to give you ownership over the code.

"History of Leasing" Arquivado em 11 de abril de 2008, no Wayback Machine.. leasegenie.com. Retrieved 2010-11-12. "In the 1960s, IBM and Xerox recognized that substantial sums could be made from the financing of their equipment. The leasing of computer and office equipment that occurred then was a significant contribution to leasings growth, since many companies were exposed to equipment leasing for the first time when they leased such equipment"^{[ligação inativa]}

Paul E.Ceruzzi (2003). A history of modern computing.MIT Press. p. 128. ISBN 0-262-53203-4. "Although IBM agreed to sell its machines as part of a Consent Decree effective January 1956, leasing continued to be its preferred way of doing business"
Artigo da Wikipédia em inglês: História da IBM