Hardy, T. D. (2013). Descriptive catalogue of materials relating to the history of Great Britain and Ireland: To the end of the reign of Henry VII (Searchable text edition.). TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hardy, Thomas Duffus. Descriptive Catalogue of Materials Relating to the History of Great Britain and Ireland: To the End of the Reign of Henry VII. Searchable text edition. Burlington, Ontario: TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hardy, Thomas Duffus. Descriptive Catalogue of Materials Relating to the History of Great Britain and Ireland: To the End of the Reign of Henry VII. Searchable text edition. TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews, 2013.