Παραπομπή APA
Dreyer, J. L. E., & Stahl, W. H. (1953). A History of astronomy from Thales to Kepler (2nd ed., rev.). New York: Dover Publications.
Παραπομπή Chicago StyleDreyer, John Louis Emil, and William Harris Stahl. A History of Astronomy From Thales to Kepler. 2nd ed., rev. New York: Dover Publications, 1953.
Παραπομπή MLADreyer, John Louis Emil, and William Harris Stahl. A History of Astronomy From Thales to Kepler. 2nd ed., rev. New York: Dover Publications, 1953.
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