(1967). World who's who in commerce and industry (15th ed.). Chicago, IL: Marquis Who's Who.
Παραπομπή Chicago StyleWorld Who's Who in Commerce and Industry. 15th ed. Chicago, IL: Marquis Who's Who, 1967.
Παραπομπή MLAWorld Who's Who in Commerce and Industry. 15th ed. Chicago, IL: Marquis Who's Who, 1967.
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