Office of Technology Assessment. (1979). Environmental contaminants in food. OTA.
Cita Chicago (17th ed.)Office of Technology Assessment. Environmental Contaminants in Food. Washington, D.C: OTA, 1979.
Cita MLA (9th ed.)Office of Technology Assessment. Environmental Contaminants in Food. OTA, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.