National Research Council (U.S.). Highway Research Board. (1952). Mapping and subsurface exploration for engineering purposes. Highway Research Board.
Citação do estilo Chicago (17ª ed.)National Research Council (U.S.). Highway Research Board. Mapping and Subsurface Exploration for Engineering Purposes. Washington, D.C: Highway Research Board, 1952.
Citação MLA (9ª ed.)National Research Council (U.S.). Highway Research Board. Mapping and Subsurface Exploration for Engineering Purposes. Highway Research Board, 1952.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.