Παραπομπή APA

Singh, R. D. (1985). Population structure of Indian cities: A case study of the cities of Bihar.

Παραπομπή Chicago Style

Singh, Ram Dayal. Population Structure of Indian Cities: A Case Study of the Cities of Bihar. New Delhi, Inter-India Publications, 1985.

Παραπομπή MLA

Singh, Ram Dayal. Population Structure of Indian Cities: A Case Study of the Cities of Bihar. 1985.