Birch, T. W. (2012). Manual drivetrains and axles (6th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Birch, Thomas W. Manual Drivetrains and Axles. 6th ed. Boston: Prentice Hall, 2012.
Lua MLA (9ú heag.)Birch, Thomas W. Manual Drivetrains and Axles. 6th ed. Prentice Hall, 2012.
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