Pescosolido, J. R. (1984). Steck-Vaughn spelling. Steck-Vaughn, ; Worldview.
Chicago Style aipamenaPescosolido, John R. Steck-Vaughn Spelling. Austin, Tex. : New Delhi: Steck-Vaughn, ; Worldview, 1984.
MLA aipamenaPescosolido, John R. Steck-Vaughn Spelling. Steck-Vaughn, ; Worldview, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.