APA Style
Sperling, S. (2006).
Ekonomi pasar sosial (Seri Pemahaman Sosialisme).
Yogyakarta:
Center for Social Democratic Studies (CSDS).
MLA Style
Sperling, Sebastian.
"Ekonomi pasar sosial".
Seri Pemahaman Sosialisme
Yogyakarta:
Center for Social Democratic Studies (CSDS),
2006.
Book.