APA (7e ed.) Bronvermelding

United States. Bureau of Agricultural Economics, National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), & Hopkins, J. A. (1973). Changing technology and employment in agriculture. Da Capo Press.

Chicago (17e ed.) Bronvermelding

United States. Bureau of Agricultural Economics, National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), en John Abel Hopkins. Changing Technology and Employment in Agriculture. New York: Da Capo Press, 1973.

MLA (8e ed.) Bronvermelding

United States. Bureau of Agricultural Economics, et al. Changing Technology and Employment in Agriculture. Da Capo Press, 1973.