Harm, W. (1980). Biological effects of ultra violet radiation. Cambridge University Press.
Chicago Edition CitationHarm, Walter. Biological Effects of Ultra Violet Radiation. London: Cambridge University Press, 1980.
Cita MLAHarm, Walter. Biological Effects of Ultra Violet Radiation. Cambridge University Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.