West Bengal. Labour Directorate, S. B. (1971). Handbook of Labour Statistics of West Bengal: 1970. The author.
Цитирование в стиле Чикаго (17-е изд.)West Bengal. Labour Directorate, Statistics Branch. Handbook of Labour Statistics of West Bengal: 1970. The author, 1971.
Цитирование MLA (9-е изд.)West Bengal. Labour Directorate, Statistics Branch. Handbook of Labour Statistics of West Bengal: 1970. The author, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.