Gaya APA
Engel, James F.. (1995).
Consumer behavior .
New York:
Harcourt brace & company.
Gaya Chicago
Engel, James F..
Consumer behavior.
New York:
Harcourt brace & company,
1995.
Tesis.
Gaya MLA
Engel, James F..
Consumer behavior.
New York:
Harcourt brace & company,
1995.
Tesis.
Gaya Turabian
Engel, James F..
Consumer behavior.
New York:
Harcourt brace & company,
1995.
Tesis.