Stubbs, Michael, author
Blackwell , 2001
Buku Teks
Bowers, James C., author
Prentice-Hall, 1971
Buku Teks
Champine, George A., author
North Holland, 1980
Buku Teks
Mikhailov, Mikhail, author
Routledge, 2017
Buku Teks
Chambers, Andrew D., author
Pitman, 1987
Buku Teks