Hadden J. W., Coffey R. G. & Spreafico F. (1977). Immunopharmacology. New York: Plenum Medical Book Co.
Hadden John W, Coffey Ronald G and Spreafico Federico. 1977. Immunopharmacology. New York: Plenum Medical Book Co.
Hadden J. W., Coffey R. G. and Spreafico F. (1977). Immunopharmacology. New York: Plenum Medical Book Co.
Hadden John W, Coffey Ronald G and Spreafico Federico. Immunopharmacology. New York: Plenum Medical Book Co. 1977.
