Bohall, Greg, author
Springer, 2017
Buku Teks
Netzley, Michael, author
Prentice-Hall, 2001
Buku Teks
Matthews, Janice R., author
Cambridge University Press, 2016
Buku Teks
Zinsser, William, author
Harper Collins, 1990
Buku Teks
Zinsser, William, author
A HarperResource Book, 2001
Buku Teks