Semprun, J. (1979). Autobiography of Federico Sanchez and the Communist underground in Spain. Karz Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSemprun, Jorge. Autobiography of Federico Sanchez and the Communist Underground in Spain. Karz Pubs, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSemprun, Jorge. Autobiography of Federico Sanchez and the Communist Underground in Spain. Karz Pubs, 1979.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.