Gaya APA
Baumfield, V. et al (2011).
Action research in the classroom : penelitian tindakan kelas .
Yogyakarta:
PUSTAKA PALAJAR.
Gaya MLA
Baumfield, Vivienne. et al.
"Action research in the classroom : penelitian tindakan kelas".
Yogyakarta:
PUSTAKA PALAJAR,
2011.
Text.