(美) 摩根 (Morgan, J. P., & 李慧泉. (2016). 相信自己够勇敢: John Pierpoint Morgan's letters. 立信会计出版社.
Lua i Stíl Chicago (17ú heag.)(美) 摩根 (Morgan, John Pierpoint, agus 李慧泉. 相信自己够勇敢: John Pierpoint Morgan's Letters. 立信会计出版社, 2016.
Lua MLA (8ú heag.)(美) 摩根 (Morgan, John Pierpoint, agus 李慧泉. 相信自己够勇敢: John Pierpoint Morgan's Letters. 立信会计出版社, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.