Hanson, J. L. (1973). Notess on Commerce (3rd ed.). Pitman.
Chicago Edition CitationHanson, J L. Notess on Commerce. 3rd ed. London: Pitman, 1973.
Cita MLAHanson, J L. Notess on Commerce. 3rd ed. Pitman, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.