Felfe, R. (2012). En Face: Seven essays on the human face / (Red.: Robert Felfe ...). Jonas.
Lua i Stíl Chicago (17ú heag.)Felfe, Robert. En Face: Seven Essays on the Human Face / (Red.: Robert Felfe ...). Marburg: Jonas, 2012.
Lua MLA (8ú heag.)Felfe, Robert. En Face: Seven Essays on the Human Face / (Red.: Robert Felfe ...). Jonas, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.