India. Registrar General and ex-officio Census Commissioner & Sekhar, A. C. (1968). Census of India, 1961: Economic regionalization of India: problems and approaches. s.n.
Цитирование в стиле Чикаго (17-е изд.)India. Registrar General and ex-officio Census Commissioner и A. Chandra Sekhar. Census of India, 1961: Economic Regionalization of India: Problems and Approaches. s.n, 1968.
Цитирование MLA (9-е изд.)India. Registrar General and ex-officio Census Commissioner и A. Chandra Sekhar. Census of India, 1961: Economic Regionalization of India: Problems and Approaches. s.n, 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.