Παραπομπή APA
Peterson, F. (1952). American labor unions: What they are and how they work (Rev. edition.). New York: Harper & Brothers.
Παραπομπή Chicago StylePeterson, Florence. American Labor Unions: What They Are and How They Work. Rev. edition. New York: Harper & Brothers, 1952.
Παραπομπή MLAPeterson, Florence. American Labor Unions: What They Are and How They Work. Rev. edition. New York: Harper & Brothers, 1952.
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