MacBean, A. I. (1987). Commodity policies: Problems and prospects. Croom Helm.
Cita Chicago (17th ed.)MacBean, Alasdair I. Commodity Policies: Problems and Prospects. London: Croom Helm, 1987.
Cita MLA (9th ed.)MacBean, Alasdair I. Commodity Policies: Problems and Prospects. Croom Helm, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.