Vietnam has become a major customer of Russian naval equipment [online]. Rusnavy.com [cit. 2011-12-16]. Dostupné online. (anglicky)
web.archive.org
Kashtan, Kashtan-M, CADS-N-1 close in weapon system (CIWS) [online]. Navyrecognition.com, 2011-10-07 [cit. 2011-12-16]. Dostupné v archivu pořízeném dne 2011-10-11. (anglicky)
