Smith, W. A. e., & Kent, F. L. e. (1952). World list of scientific periodicals published in the years 1900-1950 (3rd ed. edited by William Allan Smith and Francis Lawrence Kent, assisted by George Burder Stratton.). Butterworths Scientific Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smith, William Allan ed, و Francis Lawrence ed Kent. World List of Scientific Periodicals Published in the Years 1900-1950. 3rd ed. edited by William Allan Smith and Francis Lawrence Kent, assisted by George Burder Stratton. London: Butterworths Scientific Publications, 1952.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Smith, William Allan ed, و Francis Lawrence ed Kent. World List of Scientific Periodicals Published in the Years 1900-1950. 3rd ed. edited by William Allan Smith and Francis Lawrence Kent, assisted by George Burder Stratton. Butterworths Scientific Publications, 1952.