Gaya APA
Sembiring, R. et al
(2010).
A Decade of PMRI in Indonesia
(
-)
.
Utrecth:
Ten Brink,Meppel.
Gaya MLA
Sembiring, Robert. et al.
"A Decade of PMRI in Indonesia".
-
Utrecth:
Ten Brink,Meppel,
2010.
Text.