Hansen, S. (1990). Economic policies for sustainable development. Asian Development Bank.
Cita Chicago (17th ed.)Hansen, Stein. Economic Policies for Sustainable Development. Manila: Asian Development Bank, 1990.
Cita MLA (9th ed.)Hansen, Stein. Economic Policies for Sustainable Development. Asian Development Bank, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.