Wiebers, U. (1992). Economic and environmental effects of pest management information and pesticides: The case of processing tomatoes in California. s.n.].
Citação norma ChicagoWiebers, Uwe-Carsten. Economic and Environmental Effects of Pest Management Information and Pesticides: The Case of Processing Tomatoes in California. [S.l.: s.n.], 1992.
Citação norma MLAWiebers, Uwe-Carsten. Economic and Environmental Effects of Pest Management Information and Pesticides: The Case of Processing Tomatoes in California. s.n.], 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.