Cita APA (7th ed.)

Robertson, D. (1991). Developing countries and the trading system in the 1990's. National Centre for Development Studies, The Australian National University.

Cita Chicago (17th ed.)

Robertson, David. Developing Countries and the Trading System in the 1990's. Canberra: National Centre for Development Studies, The Australian National University, 1991.

Cita MLA (9th ed.)

Robertson, David. Developing Countries and the Trading System in the 1990's. National Centre for Development Studies, The Australian National University, 1991.