Tham khảo Dayton-Wright XPS-1

Ghi chú
  1. ↑ Wegg 1990, p. 39.
Tài liệu
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). London: Orbis Publishing, 1985.
  • Wegg, John. General Dynamic Aircraft and their Predecessors. London: Putnam, 1990. ISBN 0-85177-833-X.