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.
Chicago Style citaatMason, 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.
MLA citatieMason, 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.
Let op: Deze citaties zijn niet altijd 100% accuraat.