edited by Richard W. Battarbee, Heather A. Binney
Wiley-Blackwell, 2008
Buku Teks
Greenwald, Michael L., author
Longman, 2002
Buku Teks
edited by P. McConvell and N. Evans
Oxford University Press, 1997
Buku Teks
Garcia, Ofelia, author
Wiley-Blackwell , 2009
Buku Teks
Korniawan, R., author
The Journal Publishing, 2022
Buku Teks