الگو:Ref book osprey encyc of russian aircraft
Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875-1995. Osprey. pp. {{{1}}}. ISBN 1 85532 405 9. {{cite book}}: Cite has empty unknown parameter: |1= (help)
Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875-1995. Osprey. pp. {{{1}}}. ISBN 1 85532 405 9. {{cite book}}: Cite has empty unknown parameter: |1= (help)