脚注[脚注の使い方]^ Martin Luther King Jr. (1968年4月3日). “I've Been to the Mountaintop” (Transcript). American Rhetoric. 2021年6月5日閲覧。 ^ ⇒"I've Been to the Mountaintop." Memphis, Tennessee - April 3, 1968. Speech by Martin Luther King Jr. Info and transcript. Say It Plain. A Century of Great African American Speeches. By American RadioWorks ^ Martin Luther King Jr.: "I've Been to the Mountaintop", delivered 3 April 1968, Memphis, Tennessee at Stanford University, including transcript of audience responses. ^ “ ⇒IveBeenToTheMountaintop”. www.avis.ne.jp. 2021年5月29日閲覧。