edited by Ian Chilvers and Harold Osborne ; consultant editor, Dennis Farr
Oxford University Press , 1998
Buku Referensi
edited by Ian Chilvers
Oxford University Press , 1990
Buku Referensi
London, Oxford University Press
Buku Referensi
Wolf, Martin L., author
Philosophical Library, 1951
Buku Referensi
edited by Harold Osborne
Clarendon Press, 1970
Buku Referensi