Nobre, L. (2007). Peter Friedl: Working at Copan / [interviews: Peter Friedl with Ligia Nobre ]. Sternberg.
Chicago-Zitierstil (17. Ausg.)Nobre, Ligia. Peter Friedl: Working at Copan / [interviews: Peter Friedl with Ligia Nobre ]. Berlin: Sternberg, 2007.
MLA-Zitierstil (8. Ausg.)Nobre, Ligia. Peter Friedl: Working at Copan / [interviews: Peter Friedl with Ligia Nobre ]. Sternberg, 2007.
警告：這些引文格式不一定是100％准確.