Sommerfeld, R. M. (1966). Tax reform and the Alliance for progress. Institute of Latin American Studies y the University of Texas Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSommerfeld, Raynard M. Tax Reform and the Alliance for Progress. Austin: Institute of Latin American Studies y the University of Texas Press, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSommerfeld, Raynard M. Tax Reform and the Alliance for Progress. Institute of Latin American Studies y the University of Texas Press, 1966.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.