by John T. Cross [and others]
Thomson/West, 2010
Buku Teks
Doi, Teruo
Buku Teks
Eastaway, Nigel, author
Sweet & Maxwell, 2008
Buku Teks
Kaehlig, Carl-Bernd, author
Tatanusa, 1993
Buku Referensi
Bently, Lionel, 1964-, author
Oxford University Press, 2014
Buku Teks