Cita APA (7a ed.)

MacBean, A. I., & Nguyen, D. (1987). Commodity policies, problems and prospects. Croom helm.

Cita Chicago Style (17a ed.)

MacBean, Alasdair I., y D.T Nguyen. Commodity Policies, Problems and Prospects. London [etc.]: Croom helm, 1987.

Cita MLA (9a ed.)

MacBean, Alasdair I., y D.T Nguyen. Commodity Policies, Problems and Prospects. Croom helm, 1987.