Schipper, M. P. (1986). Papers of the NAACP: Guide to the microfilm collection. University Publications of America.
Lua i Stíl Chicago (17ú heag.)Schipper, Martin Paul. Papers of the NAACP: Guide to the Microfilm Collection. Frederick, MD: University Publications of America, 1986.
Lua MLA (8ú heag.)Schipper, Martin Paul. Papers of the NAACP: Guide to the Microfilm Collection. University Publications of America, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.