edited by William O'Grady ... [and others]
Martin's, 2005
Buku Teks
by Byron W. Bender ... [and others]
Departent of linguistics University of Hawaii, 1970
Buku Teks
Holt, Rinehart and Winston, 1990
Buku Teks SO
Buyssens, Eric.
Labeque, 1943
Buku Teks
ACCO, 2001
Buku Teks