Παραπομπή APA
Papi, U., & Nunn, C. (1969). Economic problems of agriculture in industrial societies: Proceedings of a conference held by the International Economic Association. London: Macmillan,St. Martin's press.
Παραπομπή Chicago StylePapi, Ugo,, and Charles Nunn. Economic Problems of Agriculture in Industrial Societies: Proceedings of a Conference Held By the International Economic Association. London: Macmillan,St. Martin's press, 1969.
Παραπομπή MLAPapi, Ugo,, and Charles Nunn. Economic Problems of Agriculture in Industrial Societies: Proceedings of a Conference Held By the International Economic Association. London: Macmillan,St. Martin's press, 1969.
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