Gaya APA
Bettoni, E. (1964).
Saint Bonaventure, transl.by A.Gambatese O.F.M. : S.Bonaventura. .
Notre Dame:
University of Notre Dame Press.
Gaya MLA
Bettoni, E..
"Saint Bonaventure, transl.by A.Gambatese O.F.M. : S.Bonaventura. ".
Notre Dame:
University of Notre Dame Press,
1964.
Buku.