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doi.org
Unah, Isaac; Williams, Ryan (2019), Rich, Wilbur C. (ed.), "The Legacy of President Obama in the U.S. Supreme Court", Looking Back on President Barack Obama’s Legacy: Hope and Change, Springer International Publishing, pp. 149–189, doi:10.1007/978-3-030-01545-9_8, ISBN978-3030015459, S2CID158180279
Unah, Isaac; Williams, Ryan (2019), Rich, Wilbur C. (ed.), "The Legacy of President Obama in the U.S. Supreme Court", Looking Back on President Barack Obama’s Legacy: Hope and Change, Springer International Publishing, pp. 149–189, doi:10.1007/978-3-030-01545-9_8, ISBN978-3030015459, S2CID158180279