Hurd, D. L., Kipling, J. J., & Schwartz, G. I. (1964). The origins and growth of physical science. Penguin Books.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHurd, David Leonard, J. J. Kipling, এবং George I. Schwartz. The Origins and Growth of Physical Science. Baltimore: Penguin Books, 1964.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিHurd, David Leonard, et al. The Origins and Growth of Physical Science. Penguin Books, 1964.