Gaya APA
Kusumastuti, F.
(2002).
Dasar-dasar humas/Frida Kusumastuti
.
Jakarta:
Ghalia Indonesia.
Gaya MLA
Kusumastuti, Frida.
"Dasar-dasar humas/Frida Kusumastuti".
Jakarta:
Ghalia Indonesia,
2002.
Art Original.