Alvin Toffler (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Alvin Toffler" in Spanish language version.

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flickr.com

«Karen Toffler-1985». Flickr.com.

nytimes.com

Schneider, Keith (29 de junio de 2016). «Alvin Toffler, Author of ‘Future Shock,’ Dies at 87». Ney York Times. Consultado el 30 de junio de 2016.
«Paid Notice: Deaths TOFFLER, KAREN». New York Times. 11 de julio de 2000.