Dyfyniad APA
Martens, R. (2000). Kepler's philosophy and the new astronomy. Princeton University Press.
Dyfyniad Arddull Chicago
Martens, Rhonda. Kepler's Philosophy and the New Astronomy. Princeton, N.J.: Princeton University Press, 2000.
Dyfyniad MLA
Martens, Rhonda. Kepler's Philosophy and the New Astronomy. Princeton University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.