Gaya APA
Unesco, (2006).
EDUCATION COUNTS BENCHMARKING PROGRESS IN 19 WEI COUNTRIES .
Canada:
Unesco Institue For Statistic.
Gaya MLA
Unesco, .
"EDUCATION COUNTS BENCHMARKING PROGRESS IN 19 WEI COUNTRIES".
Canada:
Unesco Institue For Statistic,
2006.
Buku Inti.