APA Format
Sihite, Richard. (Surabaya :).
Sales & Marketing : (pemasaran) / Richard Sihite
. $c Surabaya :: SIC,.
MLA Format
Sihite, Richard.
Sales & Marketing : (pemasaran) / Richard Sihite
. $c Surabaya :: SIC,, Surabaya :
Chicago Format
Sihite, Richard. Sales & Marketing : (pemasaran) / Richard Sihite. $c Surabaya :: SIC,, Surabaya :.