Gaya APA
BAUMFIELD, V.
(2011).
Action research in the classroom:
(
1)
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
BAUMFIELD, Vivienne.
"Action research in the classroom:".
1
Yogyakarta:
Pustaka Pelajar,
2011.
Buku.