Gaya APA
BERKOWITZ,Eric N. (1989).
Marketing (2th.Ed).
Boston:
Irwin.
Gaya Chicago
BERKOWITZ,Eric N.
Marketing.
2th.Ed
Boston:
Irwin,
1989.
Teks.
Gaya MLA
BERKOWITZ,Eric N.
Marketing.
2th.Ed
Boston:
Irwin,
1989.
Teks.
Gaya Turabian
BERKOWITZ,Eric N.
Marketing.
2th.Ed
Boston:
Irwin,
1989.
Teks.