APA
Lenk J., . (1997). Simplified Design of Voltage/Frequency Converters. : Newnes.
Chicago
Lenk John, . 1997. Simplified Design of Voltage/Frequency Converters. : Newnes.
Harvard
Lenk J., . (1997). Simplified Design of Voltage/Frequency Converters. : Newnes.
MLA
Lenk John, . Simplified Design of Voltage/Frequency Converters. : Newnes. 1997.