Billing, Peter. "A Fork-Tailed Swede." Air Enthusiast Twenty-two, August–November 1983. Bromley, Kent, UK: Pilot Press Ltd., 1983.
Erichs, Rolph, Kai Hammerich, and Gudmund Rapp et al. The Saab-Scania Story. Stockholm: Streiffert & Co., 1988. ISBN 91-7886-014-8.
This Happens in the Không quân Thụy Điển (brochure). Stockholm: Information Department of the Air Staff, Flygstabens informationsavdelning, Không quân Thụy Điển, 1983.
Widfeldt, Bo. The Saab 21 A & R (Aircraft in Profile number 138). Leatherhead, Surrey, UK: Profile Publications Ltd., 1966.
Wilson, Stewart. Combat Aircraft since 1945. Fyshwick, Australia: Aerospace Publications, 2000. ISBN 1-875671-50-1.