APA
National Research Council, . (1966). Evaluation of pavements by deflection studies for maintenance purposes. Washington D.C: Highway Research Board.
Chicago
National Research Council, . 1966. Evaluation of pavements by deflection studies for maintenance purposes. Washington D.C: Highway Research Board.
Harvard
National Research Council, . (1966). Evaluation of pavements by deflection studies for maintenance purposes. Washington D.C: Highway Research Board.
MLA
National Research Council, . Evaluation of pavements by deflection studies for maintenance purposes. Washington D.C: Highway Research Board. 1966.