Gaya APA
FIRMANSYAH, ., ANGELICA, D, [. (2009).
Successful new product launching (NPL) in the local market : .
Jakarta:
Salemba Empat.
Gaya MLA
FIRMANSYAH, ., ANGELICA, Dian, [ed.].
"Successful new product launching (NPL) in the local market :".
Jakarta:
Salemba Empat,
2009.
Buku.