North, J. B. (1990). The measure of the universe: A history of modern cosmology. New York: Dover Publications, Inc..
Παραπομπή Chicago StyleNorth, J. B. The Measure of the Universe: A History of Modern Cosmology. New York: Dover Publications, Inc., 1990.
Παραπομπή MLANorth, J. B. The Measure of the Universe: A History of Modern Cosmology. New York: Dover Publications, Inc., 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.