อ้างอิง ของ อะฮาร์ดเดส์ไนต์ (อัลบั้ม)

Badman, Keith. The Beatles Off the Record.CS1 maint: ref=harv (link)
Hook, Chris (2 May 2005). "The "A Hard Day's Night" Chord - Rock's Holy Grail".CS1 maint: date and year (link)
Lewisohn, Mark (1988). The Beatles Recording Sessions. New York: Harmony Books. ISBN 0-517-57066-1.CS1 maint: ref=harv (link)
"The 100 Greatest British Albums Ever". Q. June 2000. สืบค้นเมื่อ 20 November 2007.CS1 maint: date and year (link)
"Original Beatles digitally remastered". Reuters. 7 April 2009.CS1 maint: date and year (link)
"The 500 Greatest Albums of All Time". Rolling Stone. 1 November 2003. สืบค้นเมื่อ 19 November 2007.CS1 maint: date and year (link)
Sheff, David (2000). All We Are Saying: The Last Major Interview with John Lennon and Yoko Ono. New York: St. Martin's Press. ISBN 0-312-25464-4.CS1 maint: ref=harv (link)
Unterberger, Richie (2009). "The Beatles Biography". Allmusic. สืบค้นเมื่อ 25 September 2009.CS1 maint: ref=harv (link)
Whitburn, Joel (2001). Top Pop Albums 1955-2001. Menomonee Falls, WI: Record Research.CS1 maint: ref=harv (link)
"Suomen virallinen lista".

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