APA aipamena

Scull, A. (1984). Beyond sixty-five. The dilemma of old age in America's past.

Chicago Style aipamena

Scull, Andrew. Beyond Sixty-five. The Dilemma of Old Age in America's Past. 1984.

MLA aipamena

Scull, Andrew. Beyond Sixty-five. The Dilemma of Old Age in America's Past. 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.