APA (7 वां संस्करण) प्रशस्ति पत्र

Mitra, A. (1981). Functional classification of India's urban areas by factor-cluster method 1961-1971. Abhinav Pubs.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Mitra, Asok. Functional Classification of India's Urban Areas by Factor-cluster Method 1961-1971. Abhinav Pubs, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Mitra, Asok. Functional Classification of India's Urban Areas by Factor-cluster Method 1961-1971. Abhinav Pubs, 1981.

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