APA Style
Krugman, Obstfeld. (2009).
International Economics (14th).
New York:
McGraw-Hill.
Chicago Style
Krugman, Obstfeld.
International Economics.
14th
New York:
McGraw-Hill,
2009.
.
MLA Style
Krugman, Obstfeld.
International Economics.
14th
New York:
McGraw-Hill,
2009.
.
Turabian Style
Krugman, Obstfeld.
International Economics.
14th
New York:
McGraw-Hill,
2009.
.