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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSmith, William Allan ed, এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSmith, William Allan ed, এবং 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.