APA aipamena

sirjamaki, J. The American family in the twentieth century. Harvard university press.

Chicago Style aipamena

sirjamaki, John. The American Family in the Twentieth Century. Harvard university press.

MLA aipamena

sirjamaki, John. The American Family in the Twentieth Century. Harvard university press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.