Fiksel, J. R., & Covello, V. T. (1986). Biotechnology risk assessment: Issues and methods for environmental introductions. New York, NY, USA Pergamon Press.
Cita Chicago Style (17a ed.)Fiksel, Joseph R., y Vincent T. Covello. Biotechnology Risk Assessment: Issues and Methods for Environmental Introductions. New York, NY, USA Pergamon Press, 1986.
Cita MLA (8a ed.)Fiksel, Joseph R., y Vincent T. Covello. Biotechnology Risk Assessment: Issues and Methods for Environmental Introductions. New York, NY, USA Pergamon Press, 1986.
Cita IICA/CATIEFiksel, J. R., ; Covello, V. T. 1986. Biotechnology risk assessment: Issues and methods for environmental introductions. New York, NY, USA Pergamon Press.