Gaya APA
Enis, Ben M.. (1974).
Marketing Principles : The Management Process .
California:
Goodyear Publishing Company.
Gaya Chicago
Enis, Ben M..
Marketing Principles : The Management Process.
California:
Goodyear Publishing Company,
1974.
Buku Teks.
Gaya MLA
Enis, Ben M..
Marketing Principles : The Management Process.
California:
Goodyear Publishing Company,
1974.
Buku Teks.
Gaya Turabian
Enis, Ben M..
Marketing Principles : The Management Process.
California:
Goodyear Publishing Company,
1974.
Buku Teks.