Gaya APA
Balthasar, H, U, V. (1988).
Mary for today. Transl.by R.Nowell. : Maria für heute. 1987 .
San Francisco:
Ignatius Press.
Gaya MLA
Balthasar, Hans, Urs, Von..
"Mary for today. Transl.by R.Nowell. : Maria für heute. 1987 ".
San Francisco:
Ignatius Press,
1988.
Buku.