BG (航空機)
↑ Swanborough and Bowers 1976, p.312.
↑ Swanborough and Bowers 1976, p.193.
1 2 Donald 1997, p.467.
↑ Grossnick 1995, p.461.
↑ Grossnick 1995, p.51.
↑ Swanborough and Bowers 1976, p.193-194.
↑ Swanborough and Bowers 1976、p.194
↑ Grossnick 1995、p.461。
1 2 Orbis 1985、p.1999
↑ Donald 1997, p.468.
↑ Swanborough and Bowers 1976, p.194