Não informado. (1931). Physics: A journal of general and applied physics conducted by the American Physical Society. American Physical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Physics: A Journal of General and Applied Physics Conducted by the American Physical Society. New York: American Physical Society, 1931.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Physics: A Journal of General and Applied Physics Conducted by the American Physical Society. American Physical Society, 1931.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.