Books, Brochures, and Chapters>Book:  Kasparov, Garry (201752), Deep Thinking: Where Machine Intelligence Ends and Human Creativity Begins, Retrieved on 2019-03-10

Electronic/World Wide Web>Message Posted to Online Forum/Discussion Group:  Kasparov, Garry (13 Dec 2016), Gary Kasparove on Twitter (13 Dec 2016), Retrieved on 2017-09-29

Source Material [twitter.com]