edited by Bernhard Kettemann and Robert N. St. Clair
Gunter Narr Verlag Tubingen, 1980
Buku Teks
Patrick Rebuschat, Detmar Meurers, Tony McEnery
Wiley , 2017
Buku Teks
Weisser, Martin
MA Wiley Blackwell, 2016
Buku Teks
Marsden, William
Oxford University Press, 1984
Buku Referensi
Kapliwatzky, Jochanan
Rubin Mass, 1954
Buku Referensi