Gaya APA
O'Keefe, V, S. ().
The history and meaning of 'ex attrito fit contritus. Excerpta ex dissertatione P.U.G. .
Woodstock:
1957.
Gaya MLA
O'Keefe, V.T.,, S.J..
"The history and meaning of 'ex attrito fit contritus. Excerpta ex dissertatione P.U.G. ".
Woodstock:
1957,
.
Buku.