Παραπομπή APA
Napoleoni, C., Cigno, A., & Robertson, M. (1972). Economic thought of the twentieth century. London: Cigno Alessandro.
Παραπομπή Chicago StyleNapoleoni, Claudio., Alessandro Cigno, and Martin Robertson. Economic Thought of the Twentieth Century. London: Cigno Alessandro, 1972.
Παραπομπή MLANapoleoni, Claudio., Alessandro Cigno, and Martin Robertson. Economic Thought of the Twentieth Century. London: Cigno Alessandro, 1972.
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