Παραπομπή APA

Gyan Chand. (1972). Population in Perspective: Study of population crisis in India in the context of new social horizons. Orient Longman.

Παραπομπή Chicago Style

Gyan Chand. Population in Perspective: Study of Population Crisis in India in the Context of New Social Horizons. New Delhi: Orient Longman, 1972.

Παραπομπή MLA

Gyan Chand. Population in Perspective: Study of Population Crisis in India in the Context of New Social Horizons. Orient Longman, 1972.