Mason, B. J. (1992). Preparation of soil sampling protocols: Sampling techniques and strategies. Las Vegas, Nev: Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency.
Citação norma ChicagoMason, Benjamin J. Preparation of Soil Sampling Protocols: Sampling Techniques and Strategies. Las Vegas, Nev: Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1992.
Citação norma MLAMason, Benjamin J. Preparation of Soil Sampling Protocols: Sampling Techniques and Strategies. Las Vegas, Nev: Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.