Lascarides, Michael, author
Facet, 2012
Buku Teks
Libraries Unlimited, 2004
Buku Teks
Hackman, J. Richard, author
Addison-Wesley, 1980
Buku Teks
Ndubuisi Ekekwe
IGI Global, 2012
Buku Teks
Chiu, Ming-Chuan ... [and others]
Taylor and Francis, 2016
Artikel Jurnal