(1972). William Blake [1757-1827]. Open Univ.Press.
Chicago Style aipamenaWilliam Blake [1757-1827]. Milton Keynes: Open Univ.Press, 1972.
MLA aipamenaWilliam Blake [1757-1827]. Open Univ.Press, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.