Britten, F. J. (1886). The watch and clockmakers handbook, dictionary, and guide (6a. ed.). W. Kent and Company.
Cita Chicago (17th ed.)Britten, F. J. The Watch and Clockmakers Handbook, Dictionary, and Guide. 6a. ed. Londres: W. Kent and Company, 1886.
Cita MLA (9th ed.)Britten, F. J. The Watch and Clockmakers Handbook, Dictionary, and Guide. 6a. ed. W. Kent and Company, 1886.
Atenció: Aquestes cites poden no estar 100% correctes.