APA-čujuhus (7. p.)
Fortuna, L., Frasca, M., & Xibilia, M. G. (2009). Chua's circuit implementations: Yesterday, today and tomorrow. World Scientific.
Chicago-čujuhus (17. p.)
Fortuna, L., Mattia Frasca, juo Maria Gabriella Xibilia. Chua's Circuit Implementations: Yesterday, Today and Tomorrow. New Jersey: World Scientific, 2009.
MLA-čujuhus (9. p.)
Fortuna, L., et al. Chua's Circuit Implementations: Yesterday, Today and Tomorrow. World Scientific, 2009.
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