Slama-Cazacu, Tatiana
The Hague Mouton, 1973
Buku Teks
edited by Trevor Harley
Sage, 2011
Buku Teks
Garman, Michael, author
Cambridge University Press, 1990
eBooks
edited by Sheldon Rosenberg
Macmillan, 1965
Buku Teks
Warren, Paul, 1958-, author
Cambridge University Press, 2013
eBooks