DiYanni, Robert, author
McGraw-Hill, 2000
Buku Teks
Reid, Ian, 1943-, author
Routledge, 1994
Buku Teks
Bendixen, Alfred, author
Wiley-Blackwell, 2010
Buku Teks
Dyah Eko Hapsari, author
UB Press, 2017
Buku Teks
edited by Charles E. May
Ohio State University Press, 1976
Buku Teks