Cita APA

Butrico, F. A. (1969). Early warning systems concerned with environmental contaminants.

Chicago Style Citation

Butrico, F A. Early Warning Systems Concerned With Environmental Contaminants. 1969.

Cita MLA

Butrico, F A. Early Warning Systems Concerned With Environmental Contaminants. 1969.

Atenció: Aquestes cites poden no estar 100% correctes.