Παραπομπή APA

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.

Παραπομπή Chicago Style

Mason, 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.

Παραπομπή MLA

Mason, 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.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.