Gaya APA
Quelch, John A.. (1989).
Sales promotion management .
America:
Prentice-Hall, Inc.
Gaya Chicago
Quelch, John A..
Sales promotion management.
America:
Prentice-Hall, Inc,
1989.
Text.
Gaya MLA
Quelch, John A..
Sales promotion management.
America:
Prentice-Hall, Inc,
1989.
Text.
Gaya Turabian
Quelch, John A..
Sales promotion management.
America:
Prentice-Hall, Inc,
1989.
Print.