Não informado. (2001). Annual report of the Committee of the Free Public Library and the Derby Museum of the Borough of Liverpool. Committee of the Free Public Library.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Committee of the Free Public Library and the Derby Museum of the Borough of Liverpool. Liverpool, Inglaterra: Committee of the Free Public Library, 2001.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Committee of the Free Public Library and the Derby Museum of the Borough of Liverpool. Committee of the Free Public Library, 2001.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.