Gaya APA
Baumfield, V. (2011).
Action research in the classroom: penelitian tindakan kelas .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Baumfield, Vivienne.
"Action research in the classroom: penelitian tindakan kelas".
Yogyakarta:
Pustaka Pelajar,
2011.
Text.