Cita APA (7a ed.)

Ministry of Labour & N.S. Welfare Pamphlet. Ventilation of factories (4a ed.). Majesty'S Stationery Office.

Cita Chicago Style (17a ed.)

Ministry of Labour & N.S. Welfare Pamphlet. Ventilation of Factories. 4a ed. Londres: Majesty'S Stationery Office.

Cita MLA (9a ed.)

Ministry of Labour & N.S. Welfare Pamphlet. Ventilation of Factories. 4a ed. Majesty'S Stationery Office.