Gaya APA
Nouwen, H, J, (, , , , ). (1989).
Letters to Marc about Jesus. Transl.by Hubert Hoskins. : Brieven aan Marc. 1987. .
London:
DLT.
Gaya MLA
Nouwen, Henri, J.M., (1932-, , , , ).
"Letters to Marc about Jesus. Transl.by Hubert Hoskins. : Brieven aan Marc. 1987. ".
London:
DLT,
1989.
Buku.