(1975). Twentieth annual report of the Board of Directors: Financial year 1975. Tripoli: Libyan Press.
Παραπομπή Chicago StyleTwentieth Annual Report of the Board of Directors: Financial Year 1975. Tripoli: Libyan Press, 1975.
Παραπομπή MLATwentieth Annual Report of the Board of Directors: Financial Year 1975. Tripoli: Libyan Press, 1975.
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