YOUNG, A. (1974). Slope development. Macmillan Education.
Cita Chicago Style (17a ed.)YOUNG, Anthony. Slope Development. London: Macmillan Education, 1974.
Cita MLA (9a ed.)YOUNG, Anthony. Slope Development. Macmillan Education, 1974.
Precaución: Estas citas no son 100% exactas.