Παραπομπή APA

Ministry of labour. (1958). Lifting and carrying. Her Majesty's Stationery.

Παραπομπή Chicago Style

Ministry of labour. Lifting and Carrying. London: Her Majesty's Stationery, 1958.

Παραπομπή MLA

Ministry of labour. Lifting and Carrying. Her Majesty's Stationery, 1958.