edited by Carl H. Heidrich
American Elsevier Publishing Company, 1974
Buku Teks
Levin, Samuel R., author
John Hopkins University Press, 1977
Buku Teks
Dekker, Paul J. E.
Springer, 2012
eBooks
Riemer, Nick, 1972,- author
Cambridge University Press, 2015
Buku Teks
edited by Pius ten Hacken
Cambridge University Press, 2016
Buku Teks