Dyfyniad APA

(1961). Medical and biological aspects of the energies of space. New York: Columbia University Press.

Dyfyniad Arddull Chicago

Medical and Biological Aspects of the Energies of Space. New York: Columbia University Press, 1961.

Dyfyniad MLA

Medical and Biological Aspects of the Energies of Space. New York: Columbia University Press, 1961.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.