Talon, Henri A.
London Longmans 1956
Buku Teks
Buehler, Michael, author
Cambridge University Press, 2016
Buku Teks
Buehler, Michael, author
Cambridge University Press, 2018
Buku Teks
Fedrizzi, Mariann, author
South Western Cengage Learning, 2011
Buku Teks
Iser, Wolfgang
The Johns Hopkins University Press, 1974
Buku Teks