O'Regan, J. B. (1976). Letter: Estrogen and impotence.
Chicago Style CitationO'Regan, J. B. Letter: Estrogen and Impotence. 1976.
Cita MLAO'Regan, J. B. Letter: Estrogen and Impotence. 1976.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA