APA aipamena

SILMAN, A. J. (1995). Epidemiological studies: A practical guide. Cambridge University Press.

Chicago Style aipamena

SILMAN, Alan J. Epidemiological Studies: A Practical Guide. Cambridge: Cambridge University Press, 1995.

MLA aipamena

SILMAN, Alan J. Epidemiological Studies: A Practical Guide. Cambridge University Press, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.