Wong, Donna L., 1948-, author
Mosby, 1998
Buku Teks
J. P. B. Allen and S. Pit Corder edited by
Oxford University, 1980
Buku Teks
Spenser, Edmund
J.M Dent & Sons, 1956
Buku Teks
John Metcalfe Coulson ... [and others]
Pergamon Press, 1978
Buku Teks
Buku Teks