Lua APA (7ú heag.)

Lehmann, T. (1961). Nobody knows: Negro Spirituals (o.A.). Koehler & Amelang.

Lua i Stíl Chicago (17ú heag.)

Lehmann, Theo. Nobody Knows: Negro Spirituals. o.A. Leipzig: Koehler & Amelang, 1961.

Lua MLA (8ú heag.)

Lehmann, Theo. Nobody Knows: Negro Spirituals. o.A. Koehler & Amelang, 1961.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.