Grapevine India Publishers Pvt Ltd. (2022). World's Greatest Speeches. Grapevine India Publishers Pvt Ltd.
芝加哥风格引文Grapevine India Publishers Pvt Ltd. World's Greatest Speeches. Delhi: Grapevine India Publishers Pvt Ltd, 2022.
MLA引文Grapevine India Publishers Pvt Ltd. World's Greatest Speeches. Grapevine India Publishers Pvt Ltd, 2022.
警告：这些引文格式不一定是100％准确.