Malcles, L. N. (1955). Bibliographical services throughout the world: First and second annual report (1 September-31 August) 1951-52, 1952-53. Paris: Unesco.
Παραπομπή Chicago StyleMalcles, L. N. Bibliographical Services Throughout the World: First and Second Annual Report (1 September-31 August) 1951-52, 1952-53. Paris: Unesco, 1955.
Παραπομπή MLAMalcles, L. N. Bibliographical Services Throughout the World: First and Second Annual Report (1 September-31 August) 1951-52, 1952-53. Paris: Unesco, 1955.
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