Tertium Organum : paradigma intelektual berbasis spiritual / P.D. Ouspensky;Penterjemah:M. Khoirul Anam

 Ouspensky,P.D; Anam, M. Khoirul;

Jakarta : Inisiasi Press , 2005

Teori kritis Jurgen Habermas / Thomas McCarthy; penerjemah, Nurhadi

 Nurhadi; McCarthy, Thomas;

Yogyakarta : Kreasi Wacana , 2006