APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (1931). Physics: A journal of general and applied physics conducted by the American Physical Society. American Physical Society.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Physics: A Journal of General and Applied Physics Conducted by the American Physical Society. New York: American Physical Society, 1931.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Physics: A Journal of General and Applied Physics Conducted by the American Physical Society. American Physical Society, 1931.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.