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.