Biden, J. (2017). Promise Me, Dad: A Year of Hope, Hardship And Purpose. Macmillan.
Lua i Stíl Chicago (17ú heag.)Biden, Joe. Promise Me, Dad: A Year of Hope, Hardship And Purpose. London: Macmillan, 2017.
Lua MLA (9ú heag.)Biden, Joe. Promise Me, Dad: A Year of Hope, Hardship And Purpose. Macmillan, 2017.
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