Style de citation APA (7e éd.)

National Research Council (U.S.). Highway Research Board. (1957). Manpower potentials in highway engineering: Presented at the Thirty-sixth Annual Meeting, January 7-11, 1957. Highway Research Board.

Style de citation Chicago (17e éd.)

National Research Council (U.S.). Highway Research Board. Manpower Potentials in Highway Engineering: Presented at the Thirty-sixth Annual Meeting, January 7-11, 1957. Washington: Highway Research Board, 1957.

Style de citation MLA (9e éd.)

National Research Council (U.S.). Highway Research Board. Manpower Potentials in Highway Engineering: Presented at the Thirty-sixth Annual Meeting, January 7-11, 1957. Highway Research Board, 1957.