Raabe, H. J., & Koetzle, H. (2013). 990 faces: 181-210 ; Bosporus x Hans Jürgen Raabe. RVV.
Cita Chicago (17th ed.)Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 181-210 ; Bosporus X Hans Jürgen Raabe. Salzburg: RVV, 2013.
Cita MLA (8th ed.)Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 181-210 ; Bosporus X Hans Jürgen Raabe. RVV, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.