APA način citiranja (7. izdanje)
Gopal, M. (2009). Digital control and state variable methods: Conventional and intelligent control systems (3rd ed.). Tata McGraw-Hill.
Čikaški stil citiranja (17. izdanje)
Gopal, M. Digital Control and State Variable Methods: Conventional and Intelligent Control Systems. 3rd ed. New Delhi: Tata McGraw-Hill, 2009.
MLA način citiranja (9. izdanje)
Gopal, M. Digital Control and State Variable Methods: Conventional and Intelligent Control Systems. 3rd ed. Tata McGraw-Hill, 2009.
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