Gaya APA
Küng, H. (1963).
That the world may believe: Letters to young people, transl. by Cecily Hastings. : Damit die Welt glaube. 1962. .
London dsl:
Sheed and Ward.
Gaya MLA
Küng, H..
"That the world may believe: Letters to young people, transl. by Cecily Hastings. : Damit die Welt glaube. 1962. ".
London dsl:
Sheed and Ward,
1963.
Buku.