Gyan Chand. (1972). Population in Perspective: Study of population crisis in India in the context of new social horizons. Orient Longman.
Trích dẫn kiểu ChicagoGyan Chand. Population in Perspective: Study of Population Crisis in India in the Context of New Social Horizons. New Delhi: Orient Longman, 1972.
Trích dẫn MLAGyan Chand. Population in Perspective: Study of Population Crisis in India in the Context of New Social Horizons. Orient Longman, 1972.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.