Ministry of labour. (1958). Lifting and carrying. Her Majesty's Stationery.
استشهاد بنمط شيكاغوMinistry of labour. Lifting and Carrying. London: Her Majesty's Stationery, 1958.
MLA استشهادMinistry of labour. Lifting and Carrying. Her Majesty's Stationery, 1958.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.