Cita APA (7a ed.)

Bergstrom, A. R. (1970). An econometric study of supply and demand for New Zealand's exports. s. n.].

Cita Chicago Style (17a ed.)

Bergstrom, A R. An Econometric Study of Supply and Demand for New Zealand's Exports. [S. l.: s. n.], 1970.

Cita MLA (9a ed.)

Bergstrom, A R. An Econometric Study of Supply and Demand for New Zealand's Exports. s. n.], 1970.