Castles, Stephen
Macmillan, 1993
Buku Teks SO
Petersen, William
Macmillan, 1961
Buku Teks
Petersen, William
Macmillan, 1969
Buku Teks SO
Petersen, William
Macmillan, 1969
Buku Teks
by Lee-Jay Cho ... [and others]
The Center for Southeast Asia Studies, 1980
Buku Teks SO