"Liam Neeson Digs Into His Own Boxing Past For 'Manny' Documentary, About Ring Legend Manny Pacquiao". www.huffingtonpost.co.uk.
2018년 1월 10일에 확인함.  “Liam Neeson Digs Into His Own Boxing Past For 'Manny' Documentary, About Ring Legend Manny Pacquiao”. 《www.huffingtonpost.co.uk》.