APA

Dornbusch R., Helmers L. F. C. H., . (1987). The open economy. Oxford: Oxford University.

Chicago

Dornbusch Rudiger, Helmers Leslie F C H, . 1987. The open economy. Oxford: Oxford University.

Harvard

Dornbusch R., Helmers L. F. C. H., . (1987). The open economy. Oxford: Oxford University.

MLA

Dornbusch Rudiger, Helmers Leslie F C H, . The open economy. Oxford: Oxford University. 1987.