Mall:Bokref/Modern Fighting Helicopters
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Gunston, Bill; Spick, Mike (1986) (på engelska). Modern Fighting Helicopters. London: Salamander Books Ltd. Libris 6148004. ISBN 0-86101-232-1
Gunston, Bill; Spick, Mike (1986) (på engelska). Modern Fighting Helicopters. London: Salamander Books Ltd. Libris 6148004. ISBN 0-86101-232-1