Austin, James E.
The John Hopkins University Press , 1980
Buku Teks
Pearson, Paul B.
The University of Arizona Press, 1980
Buku Teks
Austin, James E.
Gunn & Hani Publishers, Inc., 1981
Buku Teks
Walker, Robin, author
New South Wales University Press, 1988
Buku Teks
Joshi, Shubhangini A., author
Tata McGraw-Hill, 1992
Buku Teks