" Haskell House Pub Ltd., 1976* "Kant: An Introduction", Cambridge: Cambridge University Press, 1978, ISBN 0-521-21755-5* "Ethics", Dordrecht: Nijhoff, 1985* مجموعة الكتلة النامية*التخاطر* "Encyclopedia of Philosophy.
" Haskell House Pub Ltd., 1976* "Kant: An Introduction", Cambridge: Cambridge University Press, 1978, ISBN 0-521-21755-5* "Ethics", Dordrecht: Nijhoff, 1985== See also ==* Growing block universe== References ==*"Encyclopedia of Philosophy.