Oliver, P. (1990). Blues fell this morning: Meaning in the blues. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Oliver, Paul. Blues Fell This Morning: Meaning in the Blues. New York: Cambridge University Press, 1990.
Lua MLA (9ú heag.)Oliver, Paul. Blues Fell This Morning: Meaning in the Blues. Cambridge University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.