Gaya APA
Kumar, Vikram, Aaker, David A. (1999).
Essentials of marketing research .
New York:
John Wiley.
Gaya Chicago
Kumar, Vikram, Aaker, David A.
Essentials of marketing research.
New York:
John Wiley,
1999.
Buku.
Gaya MLA
Kumar, Vikram, Aaker, David A.
Essentials of marketing research.
New York:
John Wiley,
1999.
Buku.
Gaya Turabian
Kumar, Vikram, Aaker, David A.
Essentials of marketing research.
New York:
John Wiley,
1999.
Buku.