Gaya APA
Kurniawan, R., Partini, N.
(2006).
Speed Up English 4: Kelas 4 SD
(
-1)
.
Bogor:
Yudhistira.
Gaya MLA
Kurniawan, Rita., Partini, Naning.
"Speed Up English 4: Kelas 4 SD".
-1
Bogor:
Yudhistira,
2006.
Text.