Gaya APA
Riccardi, A. (2009).
The Sant'Egidio: Book of prayer. Foreword by Theodore McCarrick. .
Notre Dame:
Notre Dame Ave Maria Press.
Gaya MLA
Riccardi, Andrea.
"The Sant'Egidio: Book of prayer. Foreword by Theodore McCarrick. ".
Notre Dame:
Notre Dame Ave Maria Press,
2009.
Buku.