SINGER, M. J. (2002). Soils an introdsuction. Prentice hall.
Citación estilo ChicagoSINGER, Michael J. Soils an Introdsuction. Prentice hall, 2002.
Cita MLASINGER, Michael J. Soils an Introdsuction. Prentice hall, 2002.
Warning: These citations may not always be 100% accurate.