Gaya APA
Suharno, ., Sutarso, Y.
(2010).
Marketing in Plactice
.
Yogyakarta:
Graha Ilmu.
Gaya MLA
Suharno, ., Sutarso, Yudi.
"Marketing in Plactice".
Yogyakarta:
Graha Ilmu,
2010.
Non Fiksi.