Gaya APA
Berkowitz, Kerin, Hartley, Rudelius. (1989).
Marketing (ed 3).
USA:
Irwin.
Gaya Chicago
Berkowitz, Kerin, Hartley, Rudelius.
Marketing.
ed 3
USA:
Irwin,
1989.
Text.
Gaya MLA
Berkowitz, Kerin, Hartley, Rudelius.
Marketing.
ed 3
USA:
Irwin,
1989.
Text.
Gaya Turabian
Berkowitz, Kerin, Hartley, Rudelius.
Marketing.
ed 3
USA:
Irwin,
1989.
Print.