bt Peter Banister ... [and others]
Open University Press, 2006
Buku Teks
by Peter Banister ... [et al.]
McGraw-Hill, 2011
Buku Teks
McGuigan, F.J. (Frank J.), 1924-
Prentice-Hall, 1990
Buku Teks
Elmes, David G.
Salemba Humanika, 2014
Buku Teks
Frost, Nollaig, author
Open University Press, 2011
Buku Teks