Dorr 2009, p. 33. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 33d. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 36. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 37. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
doi.org
Jurkus, Anthony F. (1990), "Requiem for a Lightweight: The Northrop F-20 Strategic Initiative", Strategic Management Journal, 11 (1): 59–68, doi:10.1002/smj.4250110105, JSTOR2486557
Jurkus, Anthony F. (1990), "Requiem for a Lightweight: The Northrop F-20 Strategic Initiative", Strategic Management Journal, 11 (1): 59–68, doi:10.1002/smj.4250110105, JSTOR2486557
Dorr 2009, p. 33. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 33d. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 36. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.
Dorr 2009, p. 37. Dorr, Robert F (November 2009). "What Might Have Been: F-20 Tigershark". Aircraft. London: Ian Allan Publishing. pp. 32–38. ISSN2041-2150.