Cita APA (7th ed.)

Vajda, I., & Simai, M. (1971). Foreign trade in a planned economy. University Press.

Cita Chicago (17th ed.)

Vajda, Imre, i Mihaly Simai. Foreign Trade in a Planned Economy. Cambridge [Eng.]: University Press, 1971.

Cita MLA (9th ed.)

Vajda, Imre, i Mihaly Simai. Foreign Trade in a Planned Economy. University Press, 1971.