(1978). Twenty-third annual report of the Board of Directors: Financial year 1978. Tripoli: [s.n.].
Παραπομπή Chicago StyleTwenty-third Annual Report of the Board of Directors: Financial Year 1978. Tripoli: [s.n.], 1978.
Παραπομπή MLATwenty-third Annual Report of the Board of Directors: Financial Year 1978. Tripoli: [s.n.], 1978.
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