Gaya APA
Subroto, B.
(2011).
Pemasaran industri: business to business marketing
(
ed.1)
.
Yogyakarta:
Andi.
Gaya MLA
Subroto, Budiarto.
"Pemasaran industri: business to business marketing".
ed.1
Yogyakarta:
Andi,
2011.
Text.