Singer, M. J. (1987). Soils: An introduction. Macmillan.
Citación estilo ChicagoSinger, Michael J. Soils: An Introduction. New York: Macmillan, 1987.
Cita MLASinger, Michael J. Soils: An Introduction. Macmillan, 1987.
Warning: These citations may not always be 100% accurate.