Great Britain. Dept. of Employment. (1972). Classification of occupations and directory of occupational titles. H.M. Stationery Off..
Style de citation Chicago (17e éd.)Great Britain. Dept. of Employment. Classification of Occupations and Directory of Occupational Titles. London: H.M. Stationery Off., 1972.
Style de citation MLA (8e éd.)Great Britain. Dept. of Employment. Classification of Occupations and Directory of Occupational Titles. H.M. Stationery Off., 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.