Gaya APA
Kumar, V. (2000).
International marketing research .
New Jersey:
Prentice Hall.
Gaya Chicago
Kumar, V.
International marketing research.
New Jersey:
Prentice Hall,
2000.
Buku.
Gaya MLA
Kumar, V.
International marketing research.
New Jersey:
Prentice Hall,
2000.
Buku.
Gaya Turabian
Kumar, V.
International marketing research.
New Jersey:
Prentice Hall,
2000.
Buku.