Gaya APA
Malhotra, N, K. (2007).
Marketing Research: An Applied Orientation (Ed. 5).
United States of America:
Pearson Prentice Hall.
Gaya MLA
Malhotra, Naresh, K.
"Marketing Research: An Applied Orientation".
Ed. 5
United States of America:
Pearson Prentice Hall,
2007.
.