APA aipamena

P.R.Trivedi. (1999). Encyclopaedia of world environment: 5vols. APH.

Chicago Style aipamena

P.R.Trivedi. Encyclopaedia of World Environment: 5vols. New Delhi: APH, 1999.

MLA aipamena

P.R.Trivedi. Encyclopaedia of World Environment: 5vols. APH, 1999.

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