APA aipamena

Hofstadter, R. (1968). Turner and the sociology of the frontier.

Chicago Style aipamena

Hofstadter, Richard. Turner and the Sociology of the Frontier. 1968.

MLA aipamena

Hofstadter, Richard. Turner and the Sociology of the Frontier. 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.