Snyder, E. E. (1969). History of the physical sciences. Charles E.Merrill.
Tohutoru Kātū Chicago (17th ed.)Snyder, Ernest E. History of the Physical Sciences. Columbus: Charles E.Merrill, 1969.
Tohutoro MLA (9th ed.)Snyder, Ernest E. History of the Physical Sciences. Charles E.Merrill, 1969.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.