Burnham, R. (1978). Burnham's celestial handbook: An observer's guide to the Universe beyond the solar system , 3v. (Rev. and enl. ed.). Dover Publications.
Dyfyniad Arddull ChicagoBurnham, Robert. Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System , 3v. Rev. and enl. ed. New York: Dover Publications, 1978.
Dyfyniad MLABurnham, Robert. Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System , 3v. Rev. and enl. ed. Dover Publications, 1978.
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