the title and the boxer is the "undisputed" champion. Morrison, Ian. The Guinness World Championship Boxing book. Guinness Publishing. 1990: 126–137. ISBN 0-85112-900-5
become world champion. Max Boxing. 2013 [8 December 2013]. (原始内容存档于30 September 2018). Naoya Inoue beats Nonito Donaire to win World Boxing Super Series