Gaya APA
Berkowitz, Erick N., Kevin, Roger A.. (1989).
Marketing (2nd ed).
Boston:
Irwin.
Gaya Chicago
Berkowitz, Erick N., Kevin, Roger A..
Marketing.
2nd ed
Boston:
Irwin,
1989.
.
Gaya MLA
Berkowitz, Erick N., Kevin, Roger A..
Marketing.
2nd ed
Boston:
Irwin,
1989.
.
Gaya Turabian
Berkowitz, Erick N., Kevin, Roger A..
Marketing.
2nd ed
Boston:
Irwin,
1989.
.