Gaya APA
Baumfield, V. et al (2011).
Action Research in The Classroom: Penilitian Tindakan Kelas (Cet 1).
Yogyakarta:
Pustaka belajar.
Gaya MLA
Baumfield, Vivienne. et al.
"Action Research in The Classroom: Penilitian Tindakan Kelas".
Cet 1
Yogyakarta:
Pustaka belajar,
2011.
Text.