Hook, S. (1987). Out of step: An unquiet life in the 20th century. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Hook, Sidney. Out of Step: An Unquiet Life in the 20th Century. New York [u.a.]: Harper & Row, 1987.
Lua MLA (8ú heag.)Hook, Sidney. Out of Step: An Unquiet Life in the 20th Century. Harper & Row, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.