Gaya APA

Schlag, M, , (. (2017). Handbook of Catholic Social Teaching: A guide for Christians in the world today. Foreword by Peter K.A. Turkson. . Washington DC: Catholic University of America Press..

Gaya MLA

Schlag, Martin, , (ed.). "Handbook of Catholic Social Teaching: A guide for Christians in the world today. Foreword by Peter K.A. Turkson.". Washington DC: Catholic University of America Press., 2017. Buku.