HUTCHINS, R. M. [. (1989). Great books of the western world vol.34: Newton Huygens. Encyclopaedia Britannica.
Chicago-čujuhus (17. p.)HUTCHINS, Robert Maynard [Ed.]. Great Books of the Western World Vol.34: Newton Huygens. Chicago: Encyclopaedia Britannica, 1989.
MLA-čujuhus (9. p.)HUTCHINS, Robert Maynard [Ed.]. Great Books of the Western World Vol.34: Newton Huygens. Encyclopaedia Britannica, 1989.
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