Breitenlohner, P. (1982). Unified theories of elementary particles: Critical assessment and prospects. Springer-Verlag.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBreitenlohner, P. Unified Theories of Elementary Particles: Critical Assessment and Prospects. New York: Springer-Verlag, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBreitenlohner, P. Unified Theories of Elementary Particles: Critical Assessment and Prospects. Springer-Verlag, 1982.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.