Gaya APA
Levitt, Theodore. (1986).
The Marketing imagination (New.e).
New York:
The The Free Press.
Gaya Chicago
Levitt, Theodore.
The Marketing imagination.
New.e
New York:
The The Free Press,
1986.
Buku.
Gaya MLA
Levitt, Theodore.
The Marketing imagination.
New.e
New York:
The The Free Press,
1986.
Buku.
Gaya Turabian
Levitt, Theodore.
The Marketing imagination.
New.e
New York:
The The Free Press,
1986.
Buku.