Cita APA (7a ed.)

Haaland, J. I. (1988). Modelling trade and trade policy. B. Blackwell.

Cita Chicago Style (17a ed.)

Haaland, Jan I. Modelling Trade and Trade Policy. Oxford, OX, UK ; New York, NY, USA: B. Blackwell, 1988.

Cita MLA (9a ed.)

Haaland, Jan I. Modelling Trade and Trade Policy. B. Blackwell, 1988.