Gaya APA
BAUMFIELD, V. et al (2011).
Action Research in the Classroom=Penelitian Tindakan Kelas (cet.1).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
BAUMFIELD, Vivienne. et al.
"Action Research in the Classroom=Penelitian Tindakan Kelas".
cet.1
Yogyakarta:
Pustaka Pelajar,
2011.
Book.