Citação norma APA

Dhahiwal,G. S: Balwindev Singh. (1993). Pesticides: Their ecological impact in developing countries. Commonwealth publishers.

Citação norma Chicago

Dhahiwal,G. S: Balwindev Singh. Pesticides: Their Ecological Impact in Developing Countries. New Delhi: Commonwealth publishers, 1993.

Citação norma MLA

Dhahiwal,G. S: Balwindev Singh. Pesticides: Their Ecological Impact in Developing Countries. Commonwealth publishers, 1993.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.