April 2018 [2022-07-01]. (原始内容存档 (PDF)于2018-12-08). States Where Cow Slaughter is Banned So Far, and States Where it Isn't. [2022-07-01]. (原始内容存档于2022-07-09)
OCLC 37868038. (原始内容存档于2019-06-11). Wallis, Michael. Billy the Kid: The Endless Ride. New York: W. W. Norton & Co. 2007 [November 21, 2017]. ISBN 978-0-393-06068-3
WARNER MUSIC JAPAN 8月25日 單曲(8cm CD) SLAUGHTER HOUSE LOUDNESS WARNER MUSIC JAPAN 12月21日 VHS錄影帶 WELCOME TO THE SLAUGHTER HOUSE LOUDNESS WARNER MUSIC JAPAN