James, W. H. (1982). Gonadotrophin and the human secondary sex ratio.
Chicago Style aipamenaJames, W H. Gonadotrophin and the Human Secondary Sex Ratio. 1982.
MLA aipamenaJames, W H. Gonadotrophin and the Human Secondary Sex Ratio. 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.