Janssen, V. (2004). Black: The African male nude in art photography / [editor: Volker Janssen]. Janssen.
Lua i Stíl Chicago (17ú heag.)Janssen, Volker. Black: The African Male Nude in Art Photography / [editor: Volker Janssen]. Simon's Town: Janssen, 2004.
Lua MLA (8ú heag.)Janssen, Volker. Black: The African Male Nude in Art Photography / [editor: Volker Janssen]. Janssen, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.