National Research Council (U.S.). Highway Research Board. (1955). Laboratory analysis of soils: Grain size and liquid limit : presented at the Thirty-third Annual Meeting, January 12-15, 1954. Highway Research Board.
Citação norma ChicagoNational Research Council (U.S.). Highway Research Board. Laboratory Analysis of Soils: Grain Size and Liquid Limit : Presented at the Thirty-third Annual Meeting, January 12-15, 1954. Washington: Highway Research Board, 1955.
Citação norma MLANational Research Council (U.S.). Highway Research Board. Laboratory Analysis of Soils: Grain Size and Liquid Limit : Presented at the Thirty-third Annual Meeting, January 12-15, 1954. Highway Research Board, 1955.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.