ISBN 978-0-307-45239-9. (原始内容存档于2020-10-28). Womack, Kenneth. Long and WindingRoads: The Evolving Artistry of the Beatles. London & New York: Continuum
ISBN 978-1-85984-600-1. (原始内容存档于2022-07-29). Womack, Kenneth. Long and WindingRoads: The Evolving Artistry of the Beatles. Continuum. 2007. ISBN 978-0-8264-1746-6