British Association for the Advancement of Science. (1951). Circular and hyperbolic functions, exponential and sine and cosine integrals, factorial function, allied functions, hermitian probability functions (3a. ed.). Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)British Association for the Advancement of Science. Circular and Hyperbolic Functions, Exponential and Sine and Cosine Integrals, Factorial Function, Allied Functions, Hermitian Probability Functions. 3a. ed. Cambridge: Cambridge University Press, 1951.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)British Association for the Advancement of Science. Circular and Hyperbolic Functions, Exponential and Sine and Cosine Integrals, Factorial Function, Allied Functions, Hermitian Probability Functions. 3a. ed. Cambridge University Press, 1951.