Ayer, A. (1984). Freedom and morality and other essays. Clarendon Press.
Chicago-čujuhus (17. p.)Ayer, A.J. Freedom and Morality and Other Essays. Oxford: Clarendon Press, 1984.
MLA-čujuhus (9. p.)Ayer, A.J. Freedom and Morality and Other Essays. Clarendon Press, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.