Gaya APA
Kress, George. (1988).
Marketing Research .
united states of america:
Prentica Hall.
Gaya Chicago
Kress, George.
Marketing Research.
united states of america:
Prentica Hall,
1988.
Buku Teks.
Gaya MLA
Kress, George.
Marketing Research.
united states of america:
Prentica Hall,
1988.
Buku Teks.
Gaya Turabian
Kress, George.
Marketing Research.
united states of america:
Prentica Hall,
1988.
Buku Teks.