Beckett, E. (1903). A rudimentary treatise on clocks, watches & bells for public purposes (8th ed.). Crosby Lockwood and Son.
Chicago Style (17. basım) AtıfBeckett, Edmund. A Rudimentary Treatise on Clocks, Watches & Bells for Public Purposes. 8th ed. London: Crosby Lockwood and Son, 1903.
MLA (8th ed.) AtıfBeckett, Edmund. A Rudimentary Treatise on Clocks, Watches & Bells for Public Purposes. 8th ed. Crosby Lockwood and Son, 1903.
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