APA

Krugman P. R., Smith A., . (1994). Empirical studies of strategic trade policy. Chicago: University of Chicago.

Chicago

Krugman Paul R, Smith Alasdair, . 1994. Empirical studies of strategic trade policy. Chicago: University of Chicago.

Harvard

Krugman P. R., Smith A., . (1994). Empirical studies of strategic trade policy. Chicago: University of Chicago.

MLA

Krugman Paul R, Smith Alasdair, . Empirical studies of strategic trade policy. Chicago: University of Chicago. 1994.