Bromley, J. (1977). The clockmaker: : the catalogue of the books and manuscripts in the Library of the Worshipful Company of Clockmakers (1ª ed.). London: Sothebys Parke Bernet Publications.
Cita MLA (8 ed.) (Copiar al portapapeles)Bromley, John. The Clockmaker: : The Catalogue of the Books and Manuscripts in the Library of the Worshipful Company of Clockmakers. 1ª ed. London: Sothebys Parke Bernet Publications , 1977.