Harper, P. B. Nationalism and social division in black arts poetry of the 1960s: Phillip Brian Harper. Identities.(1995).
Lua i Stíl Chicago (17ú heag.)Harper, Phillip Brian. "Nationalism and Social Division in Black Arts Poetry of the 1960s: Phillip Brian Harper." Identities.(1995) .
Lua MLA (8ú heag.)Harper, Phillip Brian. "Nationalism and Social Division in Black Arts Poetry of the 1960s: Phillip Brian Harper." Identities.(1995), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.