APA aipamena

Edwards, R. (2010). Who is Barack Obama? New York: Grosset & Dunlap.

Chicago Style aipamena

Edwards, Roberta. Who Is Barack Obama? New York: Grosset & Dunlap, 2010.

MLA aipamena

Edwards, Roberta. Who Is Barack Obama? New York: Grosset & Dunlap, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.