Higgins, B. H. (1953). The economic and social development of Libya, prepared for the Government of Libya. s.n.
Chicago-referens (17:e uppl.)Higgins, Benjamin Howard. The Economic and Social Development of Libya, Prepared for the Government of Libya. [New York: s.n, 1953.
MLA-referens (9:e uppl.)Higgins, Benjamin Howard. The Economic and Social Development of Libya, Prepared for the Government of Libya. s.n, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.