Cambridge University Press, 1978
eBooks
Cambridge University Press, 1987
eBooks
Wellek, Rene, author
Harcourt, Brace & World, 1949
Buku Teks
Castle, Gregory, author
Blackwell, 2007
Buku Teks
Ryan, Michael, 1951-, author
Wiley-Blackwell, 2017
Buku Teks