Gaya APA
ERNA, F, A, S.
(2010).
Design Action Research
(
Cet. 1)
.
Yogyakarta:
Aditya Media Publishing.
Gaya MLA
ERNA, Febru, Aries, S..
"Design Action Research".
Cet. 1
Yogyakarta:
Aditya Media Publishing,
2010.
Text.