APA Style
PAPELL, D, H., HALL, R, E. (2005).
MACRO ECONOMICS (Edition 6).
United states of America:
ACADEMIC FROM AMERICA.
MLA Style
PAPELL, DAVID, H.., HALL, ROBERT, E..
"MACRO ECONOMICS".
Edition 6
United states of America:
ACADEMIC FROM AMERICA,
2005.
BOOK.