O'Reilly, T. (2020). 21 Technologies for the 21st Century (Part 3: The Future Is Knocking (1st edition.). O'Reilly Media, Inc.
Cita Chicago Style (17a ed.)O'Reilly, Tim. 21 Technologies for the 21st Century (Part 3: The Future Is Knocking. 1st edition. O'Reilly Media, Inc, 2020.
Cita MLA (9a ed.)O'Reilly, Tim. 21 Technologies for the 21st Century (Part 3: The Future Is Knocking. 1st edition. O'Reilly Media, Inc, 2020.
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