Moore, W.G.
Maryland Penguin Books 1974,
Buku Referensi
Moore, W. G., author
Penguin Books, 1974
Buku Referensi
Moore, W. G.
Penguin, 1974
Buku Referensi
Moore, W.G.
London : Penguin Books, 1984,
Buku Referensi
Mayhew, Susan, author
Oxford University Press, 1992
Buku Referensi