Sutton, R. M. (1965). The physics of space. Holt, Rinehart and Winston.
Dyfyniad Arddull ChicagoSutton, Richard M. The Physics of Space. New York: Holt, Rinehart and Winston, 1965.
Dyfyniad MLASutton, Richard M. The Physics of Space. Holt, Rinehart and Winston, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.