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.