Gaya APA
Walz, A, O. (1951).
Saint Thomas Aquinas, a biographical study. English transl.by S.Bullough O.P. .
Westminster (Maryland):
Newman Press.
Gaya MLA
Walz, A.,, O.P..
"Saint Thomas Aquinas, a biographical study. English transl.by S.Bullough O.P. ".
Westminster (Maryland):
Newman Press,
1951.
Buku.