APA Style
Krugman, P, R., Obstfeld, M. (1992).
International Economics: Theory and Policy 4 Ed. (4).
Mumbai:
Irwin Publishing.
MLA Style
Krugman, Paul, R., Obstfeld, Maurice.
"International Economics: Theory and Policy 4 Ed.".
4
Mumbai:
Irwin Publishing,
1992.
Manajemen.