Cita APA (7th ed.)

Yun Ping. (1998). The pollution charge system in China: An economic incentive? Economy and Environment Program for Southeast Asia.

Cita Chicago (17th ed.)

Yun Ping. The Pollution Charge System in China: An Economic Incentive? Singapore: Economy and Environment Program for Southeast Asia, 1998.

Cita MLA (9th ed.)

Yun Ping. The Pollution Charge System in China: An Economic Incentive? Economy and Environment Program for Southeast Asia, 1998.