Spackman, W. F. (1969). An analysis of the occupations of the people: Showing the relative importance of the agricultural, manufacturing, shipping, colonial, commercial & mining interests of the United Kingdom of Great Britain and its dependencies. A. M. Kelley.
Cita Chicago (17th ed.)Spackman, William Frederick. An Analysis of the Occupations of the People: Showing the Relative Importance of the Agricultural, Manufacturing, Shipping, Colonial, Commercial & Mining Interests of the United Kingdom of Great Britain and Its Dependencies. New York: A. M. Kelley, 1969.
Cita MLA (8th ed.)Spackman, William Frederick. An Analysis of the Occupations of the People: Showing the Relative Importance of the Agricultural, Manufacturing, Shipping, Colonial, Commercial & Mining Interests of the United Kingdom of Great Britain and Its Dependencies. A. M. Kelley, 1969.