Dyfyniad APA
Kaler, J. B. (2013). First magnitude: A book of the bright sky. World Scientific.
Dyfyniad Arddull Chicago
Kaler, James B. First Magnitude: A Book of the Bright Sky. Singapore: World Scientific, 2013.
Dyfyniad MLA
Kaler, James B. First Magnitude: A Book of the Bright Sky. World Scientific, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.