Gaya APA
O'Collins, G, S. (1974).
The theology of secularity, general ed. Edward Yarnold, S.J. .
Dublin dsl:
The Mercier Press.
Gaya MLA
O'Collins, Gerald,, S.J..
"The theology of secularity, general ed. Edward Yarnold, S.J. ".
Dublin dsl:
The Mercier Press,
1974.
Buku.