Ridley, B. K. (1995). Time, space, and things (3rd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoRidley, B. K. Time, Space, and Things. 3rd ed. Cambridge ; New York: Cambridge University Press, 1995.
Dyfyniad MLARidley, B. K. Time, Space, and Things. 3rd ed. Cambridge University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.