Gaya APA
Levitt on Marketing. (1991).
United States:
Harvard Business Review Press.
Gaya Chicago
Levitt on Marketing.
.
United States:
Harvard Business Review Press,
1991.
Text.
Gaya MLA
Levitt on Marketing.
.
United States:
Harvard Business Review Press,
1991.
Text.
Gaya Turabian
Levitt on Marketing.
United States:
Harvard Business Review Press,
1991.
Print.