Gaya APA
Baumfield, V. et al
(2009).
Action research di ruang kelas
(
Cet. 1)
.
Jakarta:
Indeks.
Gaya MLA
Baumfield, Vivienne. et al.
"Action research di ruang kelas".
Cet. 1
Jakarta:
Indeks,
2009.
Text.