Welsh, J. S. (2011). Contagious Cancer. AlphaMed Press.
Chicago Style aipamenaWelsh, James S. Contagious Cancer. AlphaMed Press, 2011.
MLA aipamenaWelsh, James S. Contagious Cancer. AlphaMed Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.