Tolong jelaskan mengenai Operator dari Fokker Universal

Binnie, N. "Site to Shelf: Recovery of a Historic Aircraft from Charron Lake, Manitoba." CCI (Canadian Conservation Institute) Newsletter 38 (English and French versions), p. 10-12, 2007.

Dierikx, Marc. Fokker: A Transatlantic Biography. Washington, DC: Smithsonian Institution Press, 1997. ISBN 1-56098-735-9.

Molson, K.M. Pioneering in Canadian Air Transport. Winnipeg: James Richardson & Sons, Ltd., 1974. ISBN 0-919212-39-5.

Nevin, David. The Pathfinders (The Epic of Flight Series). Alexandria, Virginia: Time-Life Books, 1980. ISBN 0-8094-3256-0.

Postma, Thijs. Fokker: Aircraft Builders to the World. London: Jane's, 1979. ISBN 0-7106-0059-3.

Seagrave, Sterling. The Bush Pilots (The Epic of Flight Series). Alexandria, Virginia: Time-Life Books, 1983. ISBN 0-8094-3312-5.