Gaya APA
Lieberman, D, J., Astuti, R.
(2005).
The psychology of change
(
Cet. 1)
.
New York:
St. Martin s Griffin.
Gaya MLA
Lieberman, David, J., Astuti, Rahmani.
"The psychology of change".
Cet. 1
New York:
St. Martin s Griffin,
2005.
.