Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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