Gaya APA
Truhlar, C, S. (1961).
Structura theologica vitae spiritualis, ed. 2nda recogn. .
Romae:
Universitas Gregoriana.
Gaya MLA
Truhlar, C.V,, S.J..
"Structura theologica vitae spiritualis, ed. 2nda recogn. ".
Romae:
Universitas Gregoriana,
1961.
Buku.