APA aipamena

(1924). SMALL-POX IN CANADA: The Stamping-out Method in Action.

Chicago Style aipamena

SMALL-POX IN CANADA: The Stamping-out Method in Action. 1924.

MLA aipamena

SMALL-POX IN CANADA: The Stamping-out Method in Action. 1924.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.