APA aipamena

McCowen. (1913). A Note on Sleeping Sickness in Principe Island and Angola, West Coast of Africa.

Chicago Style aipamena

McCowen. A Note On Sleeping Sickness in Principe Island and Angola, West Coast of Africa. 1913.

MLA aipamena

McCowen. A Note On Sleeping Sickness in Principe Island and Angola, West Coast of Africa. 1913.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.