APA-viite (7. p.)

National Research Council (U.S.). Highway Research Board. (1952). Highway sufficiency ratings: Presented at the 31st annual meeting, January 1952. The Board.

Chicago-viite (17. p.)

National Research Council (U.S.). Highway Research Board. Highway Sufficiency Ratings: Presented at the 31st Annual Meeting, January 1952. Washington, D.C: The Board, 1952.

MLA-viite (9. p.)

National Research Council (U.S.). Highway Research Board. Highway Sufficiency Ratings: Presented at the 31st Annual Meeting, January 1952. The Board, 1952.

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