APA aipamena

Friedman, M. (1979). Free to choose: A personal statement. London: Secker & Warburg.

Chicago Style aipamena

Friedman, Milton. Free to Choose: A Personal Statement. London: Secker & Warburg, 1979.

MLA aipamena

Friedman, Milton. Free to Choose: A Personal Statement. London: Secker & Warburg, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.