Croft, William
Cambridge University Press, 2004
Buku Teks
edited by Harriet Luria, Deborah M. Seymour, Trudy Smoke
LEA, 2006
Buku Teks
Stankiewicz, Edward
Peter de Ridder Press , 1976
Buku Teks
The University of Sydney, 1958
Buku Teks
edited by Anne E. Baker and Kees Hengeveld
Wiley-Blackweell, 2012
Buku Teks