APA Style
AAKER, D, A., DAY, G, S. (1983).
Marketing Research (Edition 2).
United states of America:
JOHN WILEY&SONS.
MLA Style
AAKER, DAVID, A.., DAY, GEORGE, S..
"Marketing Research".
Edition 2
United states of America:
JOHN WILEY&SONS,
1983.
BOOK.