Tartter, Jean R. (1989). "National Security". In Metz, Helen Chapin (ed.). Libya: a country study. Area Handbook (4th ed.). Washington, D.C.: Library of Congress. p. 269. LCCN88600480. Retrieved 28 October 2021.
Tartter, Jean R. (1989). "National Security". In Metz, Helen Chapin (ed.). Libya: a country study. Area Handbook (4th ed.). Washington, D.C.: Library of Congress. pp. 270–271. LCCN88600480. Retrieved 28 October 2021.
lccn.loc.gov
Tartter, Jean R. (1989). "National Security". In Metz, Helen Chapin (ed.). Libya: a country study. Area Handbook (4th ed.). Washington, D.C.: Library of Congress. p. 269. LCCN88600480. Retrieved 28 October 2021.
Tartter, Jean R. (1989). "National Security". In Metz, Helen Chapin (ed.). Libya: a country study. Area Handbook (4th ed.). Washington, D.C.: Library of Congress. pp. 270–271. LCCN88600480. Retrieved 28 October 2021.